56133888 has 36 divisors (see below), whose sum is σ = 149400048. Its totient is φ = 18711040.

The previous prime is 56133887. The next prime is 56133907. The reversal of 56133888 is 88833165.

It is not an unprimeable number, because it can be changed into a prime (56133887) 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, 35778 + ... + 37313.

Almost surely, 2^56133888 is an apocalyptic number.

It is an amenable number.

56133888 is an abundant number, since it is smaller than the sum of its proper divisors (93266160).

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

56133888 is an equidigital number, since it uses as much as digits as its factorization.

56133888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73110 (or 73096 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 56133888 is about 7492.2552012061. The cubic root of 56133888 is about 382.8908968957.

The spelling of 56133888 in words is "fifty-six million, one hundred thirty-three thousand, eight hundred eighty-eight".