56507637 has 16 divisors (see below), whose sum is σ = 78041600. Its totient is φ = 36331200.

The previous prime is 56507629. The next prime is 56507669. The reversal of 56507637 is 73670565.

It is not a de Polignac number, because 56507637 - 2³ = 56507629 is a prime.

It is a super-2 number, since 2×56507637² = 6386226078647538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56507595 and 56507604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56507617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31587 + ... + 33327.

It is an arithmetic number, because the mean of its divisors is an integer number (4877600).

Almost surely, 2^56507637 is an apocalyptic number.

It is an amenable number.

56507637 is a deficient number, since it is larger than the sum of its proper divisors (21533963).

56507637 is a wasteful number, since it uses less digits than its factorization.

56507637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 56507637 is about 7517.1561777044. The cubic root of 56507637 is about 383.7388021362.

The spelling of 56507637 in words is "fifty-six million, five hundred seven thousand, six hundred thirty-seven".