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55268070 = 23511132991
BaseRepresentation
bin1101001011010…
…1001011100110
310211222220112120
43102311023212
5103122034240
65252330410
71240525254
oct322651346
9124886476
1055268070
11292197a0
1216613a06
13b5b1200
1474a95d4
154cbaad0
hex34b52e6

55268070 has 96 divisors (see below), whose sum is σ = 156847104. Its totient is φ = 12355200.

The previous prime is 55268053. The next prime is 55268077. The reversal of 55268070 is 7086255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55268077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55275 + ... + 56265.

It is an arithmetic number, because the mean of its divisors is an integer number (1633824).

Almost surely, 255268070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55268070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78423552).

55268070 is an abundant number, since it is smaller than the sum of its proper divisors (101579034).

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

55268070 is a wasteful number, since it uses less digits than its factorization.

55268070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 55268070 is about 7434.2497940276. The cubic root of 55268070 is about 380.9120979900.

The spelling of 55268070 in words is "fifty-five million, two hundred sixty-eight thousand, seventy".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 169 195 286 330 338 390 429 507 715 845 858 991 1014 1430 1690 1859 1982 2145 2535 2973 3718 4290 4955 5070 5577 5946 9295 9910 10901 11154 12883 14865 18590 21802 25766 27885 29730 32703 38649 54505 55770 64415 65406 77298 109010 128830 141713 163515 167479 193245 283426 327030 334958 386490 425139 502437 708565 837395 850278 1004874 1417130 1674790 1842269 2125695 2512185 3684538 4251390 5024370 5526807 9211345 11053614 18422690 27634035 55268070