56558601088 has 32 divisors (see below), whose sum is σ = 122918553720. Its totient is φ = 25708454400.

The previous prime is 56558601083. The next prime is 56558601131. The reversal of 56558601088 is 88010685565.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56558601083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20083323 + ... + 20086138.

Almost surely, 2^56558601088 is an apocalyptic number.

It is an amenable number.

56558601088 is an abundant number, since it is smaller than the sum of its proper divisors (66359952632).

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

56558601088 is a wasteful number, since it uses less digits than its factorization.

56558601088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40169486 (or 40169474 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 52.

The spelling of 56558601088 in words is "fifty-six billion, five hundred fifty-eight million, six hundred one thousand, eighty-eight".