55870555788 has 60 divisors (see below), whose sum is σ = 146087761512. Its totient is φ = 18619554240.

The previous prime is 55870555787. The next prime is 55870555801. The reversal of 55870555788 is 88755507855.

55870555788 is a `hidden beast` number, since 5 + 5 + 8 + 7 + 0 + 55 + 578 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (55870555787) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1776456 + ... + 1807632.

Almost surely, 2^55870555788 is an apocalyptic number.

It is an amenable number.

55870555788 is an abundant number, since it is smaller than the sum of its proper divisors (90217205724).

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

55870555788 is a wasteful number, since it uses less digits than its factorization.

55870555788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36724 (or 36713 counting only the distinct ones).

The product of its (nonzero) digits is 78400000, while the sum is 63.

The spelling of 55870555788 in words is "fifty-five billion, eight hundred seventy million, five hundred fifty-five thousand, seven hundred eighty-eight".