56138607 has 96 divisors (see below), whose sum is σ = 106748928. Its totient is φ = 27675648.

The previous prime is 56138603. The next prime is 56138639. The reversal of 56138607 is 70683165.

56138607 is a `hidden beast` number, since 561 + 38 + 60 + 7 = 666.

It is not a de Polignac number, because 56138607 - 2² = 56138603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56138603) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1059193 + ... + 1059245.

It is an arithmetic number, because the mean of its divisors is an integer number (1111968).

Almost surely, 2^56138607 is an apocalyptic number.

56138607 is a deficient number, since it is larger than the sum of its proper divisors (50610321).

56138607 is a wasteful number, since it uses less digits than its factorization.

56138607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56138607 is about 7492.5701197920. The cubic root of 56138607 is about 382.9016260742.

The spelling of 56138607 in words is "fifty-six million, one hundred thirty-eight thousand, six hundred seven".