56501712 has 50 divisors (see below), whose sum is σ = 163536098. Its totient is φ = 18833472.

The previous prime is 56501681. The next prime is 56501717. The reversal of 56501712 is 21710565.

56501712 is a `hidden beast` number, since 5 + 650 + 1 + 7 + 1 + 2 = 666.

56501712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 25765776 = 5544^2 + 5076^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501717) 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 9 ways as a sum of consecutive naturals, for example, 20503 + ... + 23094.

Almost surely, 2^56501712 is an apocalyptic number.

It is an amenable number.

56501712 is an abundant number, since it is smaller than the sum of its proper divisors (107034386).

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

56501712 is a wasteful number, since it uses less digits than its factorization.

56501712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43617 (or 43602 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 56501712 is about 7516.7620688698. The cubic root of 56501712 is about 383.7253896018.

The spelling of 56501712 in words is "fifty-six million, five hundred one thousand, seven hundred twelve".