56655332100 has 54 divisors (see below), whose sum is σ = 177582993770. Its totient is φ = 15108088320.

The previous prime is 56655332099. The next prime is 56655332131. The reversal of 56655332100 is 123355665.

56655332100 is a `hidden beast` number, since 5 + 66 + 553 + 32 + 10 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13477816836 + 43177515264 = 116094^2 + 207792^2 .

It is a super-2 number, since 2×56655332100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31474285 + ... + 31476084.

Almost surely, 2^56655332100 is an apocalyptic number.

56655332100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56655332100 is an abundant number, since it is smaller than the sum of its proper divisors (120927661670).

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

56655332100 is a wasteful number, since it uses less digits than its factorization.

56655332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62950389 (or 62950379 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 56655332100 its reverse (123355665), we get a palindrome (56778687765).

The spelling of 56655332100 in words is "fifty-six billion, six hundred fifty-five million, three hundred thirty-two thousand, one hundred".