56558892 has 54 divisors (see below), whose sum is σ = 143764068. Its totient is φ = 17298528.

The previous prime is 56558891. The next prime is 56558899. The reversal of 56558892 is 29885565.

56558892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56558891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 338593 + ... + 338759.

Almost surely, 2^56558892 is an apocalyptic number.

56558892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56558892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71882034).

56558892 is an abundant number, since it is smaller than the sum of its proper divisors (87205176).

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

56558892 is a wasteful number, since it uses less digits than its factorization.

56558892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 185 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The square root of 56558892 is about 7520.5646064641. The cubic root of 56558892 is about 383.8547899306.

Multiplying 56558892 by its sum of digits (48), we get a square (2714826816 = 52104²).

The spelling of 56558892 in words is "fifty-six million, five hundred fifty-eight thousand, eight hundred ninety-two".