56011788 has 36 divisors (see below), whose sum is σ = 161812560. Its totient is φ = 16003296.

The previous prime is 56011783. The next prime is 56011793. The reversal of 56011788 is 88711065.

56011788 is a `hidden beast` number, since 560 + 1 + 17 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (56011783) and next prime (56011793).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56011783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110883 + ... + 111386.

Almost surely, 2^56011788 is an apocalyptic number.

It is an amenable number.

56011788 is an abundant number, since it is smaller than the sum of its proper divisors (105800772).

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

56011788 is a wasteful number, since it uses less digits than its factorization.

56011788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222286 (or 222281 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 56011788 is about 7484.1023509837. The cubic root of 56011788 is about 382.6130794720.

The spelling of 56011788 in words is "fifty-six million, eleven thousand, seven hundred eighty-eight".