56511036 has 36 divisors (see below), whose sum is σ = 144328912. Its totient is φ = 18641664.

The previous prime is 56511029. The next prime is 56511089. The reversal of 56511036 is 63011565.

It is a happy number.

56511036 is a `hidden beast` number, since 5 + 651 + 1 + 0 + 3 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4600 + ... + 11583.

Almost surely, 2^56511036 is an apocalyptic number.

It is an amenable number.

56511036 is an abundant number, since it is smaller than the sum of its proper divisors (87817876).

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

56511036 is a wasteful number, since it uses less digits than its factorization.

56511036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290 (or 16285 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56511036 is about 7517.3822571424. The cubic root of 56511036 is about 383.7464960935.

The spelling of 56511036 in words is "fifty-six million, five hundred eleven thousand, thirty-six".