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55413115400 = 23524121132027
BaseRepresentation
bin110011100110111000…
…010000101000001000
312022000211112220222102
4303212320100220020
51401441224143100
641242331212532
74001121465206
oct634670205010
9168024486872
1055413115400
1121556293845
12a8a58a7148
1352c13827a6
14297960c076
151694c00cd5
hexce6e10a08

55413115400 has 96 divisors (see below), whose sum is σ = 132607450080. Its totient is φ = 21521472000.

The previous prime is 55413115399. The next prime is 55413115403. The reversal of 55413115400 is 451131455.

It is a super-2 number, since 2×554131154002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55413115403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1714187 + ... + 1746213.

It is an arithmetic number, because the mean of its divisors is an integer number (1381327605).

Almost surely, 255413115400 is an apocalyptic number.

55413115400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55413115400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66303725040).

55413115400 is an abundant number, since it is smaller than the sum of its proper divisors (77194334680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55413115400 is a wasteful number, since it uses less digits than its factorization.

55413115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32295 (or 32286 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 55413115400 its reverse (451131455), we get a palindrome (55864246855).

The spelling of 55413115400 in words is "fifty-five billion, four hundred thirteen million, one hundred fifteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 211 328 410 422 820 844 1025 1055 1640 1688 2050 2110 4100 4220 5275 8200 8440 8651 10550 17302 21100 32027 34604 42200 43255 64054 69208 86510 128108 160135 173020 216275 256216 320270 346040 432550 640540 800675 865100 1281080 1313107 1601350 1730200 2626214 3202700 5252428 6405400 6565535 6757697 10504856 13131070 13515394 26262140 27030788 32827675 33788485 52524280 54061576 65655350 67576970 131310700 135153940 168942425 262621400 270307880 277065577 337884850 554131154 675769700 1108262308 1351539400 1385327885 2216524616 2770655770 5541311540 6926639425 11082623080 13853278850 27706557700 55413115400