56518632 has 24 divisors (see below), whose sum is σ = 153071490. Its totient is φ = 18839520.

The previous prime is 56518621. The next prime is 56518633. The reversal of 56518632 is 23681565.

56518632 is a `hidden beast` number, since 5 + 6 + 5 + 18 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49196196 + 7322436 = 7014^2 + 2706^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 (56518633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392419 + ... + 392562.

Almost surely, 2^56518632 is an apocalyptic number.

It is an amenable number.

56518632 is an abundant number, since it is smaller than the sum of its proper divisors (96552858).

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

56518632 is a wasteful number, since it uses less digits than its factorization.

56518632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784993 (or 784986 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56518632 is about 7517.8874692296. The cubic root of 56518632 is about 383.7636892414.

The spelling of 56518632 in words is "fifty-six million, five hundred eighteen thousand, six hundred thirty-two".