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55908802560 = 2133513311129
BaseRepresentation
bin110100000100011011…
…001010000000000000
312100022101021102221010
4310010123022000000
51404000123140220
641403435400520
74016320660242
oct640433120000
9170271242833
1055908802560
1121790074956
12aa038b3140
13536cc877c0
1429c53a0092
1516c34b61e0
hexd046ca000

55908802560 has 448 divisors, whose sum is σ = 199049518080. Its totient is φ = 13306429440.

The previous prime is 55908802531. The next prime is 55908802561. The reversal of 55908802560 is 6520880955.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (55908802561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49520076 + ... + 49521204.

It is an arithmetic number, because the mean of its divisors is an integer number (444306960).

Almost surely, 255908802560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55908802560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99524759040).

55908802560 is an abundant number, since it is smaller than the sum of its proper divisors (143140715520).

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

55908802560 is a wasteful number, since it uses less digits than its factorization.

55908802560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 55908802560 in words is "fifty-five billion, nine hundred eight million, eight hundred two thousand, five hundred sixty".