55933816607856 has 200 divisors, whose sum is σ = 185900892355200. Its totient is φ = 16057554929280.

The previous prime is 55933816607827. The next prime is 55933816607869. The reversal of 55933816607856 is 65870661833955.

55933816607856 is a `hidden beast` number, since 5 + 5 + 9 + 3 + 3 + 8 + 1 + 6 + 607 + 8 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102979876 + ... + 103521603.

It is an arithmetic number, because the mean of its divisors is an integer number (929504461776).

Almost surely, 2^{55933816607856} is an apocalyptic number.

It is an amenable number.

55933816607856 is an abundant number, since it is smaller than the sum of its proper divisors (129967075747344).

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

55933816607856 is a wasteful number, since it uses less digits than its factorization.

55933816607856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206501529 (or 206501514 counting only the distinct ones).

The product of its (nonzero) digits is 979776000, while the sum is 72.

The spelling of 55933816607856 in words is "fifty-five trillion, nine hundred thirty-three billion, eight hundred sixteen million, six hundred seven thousand, eight hundred fifty-six".