56575088556 has 72 divisors (see below), whose sum is σ = 153834609600. Its totient is φ = 16135505568.

The previous prime is 56575088551. The next prime is 56575088561. The reversal of 56575088556 is 65588057565.

56575088556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56575088551) and next prime (56575088561).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56575088556.

It is not an unprimeable number, because it can be changed into a prime (56575088551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245595 + ... + 416493.

It is an arithmetic number, because the mean of its divisors is an integer number (2136591800).

Almost surely, 2^56575088556 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 56575088556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76917304800).

56575088556 is an abundant number, since it is smaller than the sum of its proper divisors (97259521044).

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

56575088556 is a wasteful number, since it uses less digits than its factorization.

56575088556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171483 (or 171474 counting only the distinct ones).

The product of its (nonzero) digits is 50400000, while the sum is 60.

The spelling of 56575088556 in words is "fifty-six billion, five hundred seventy-five million, eighty-eight thousand, five hundred fifty-six".