56124513 has 6 divisors (see below), whose sum is σ = 81068754. Its totient is φ = 37416336.

The previous prime is 56124479. The next prime is 56124521. The reversal of 56124513 is 31542165.

56124513 is a `hidden beast` number, since 5 + 612 + 45 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55845729 + 278784 = 7473^2 + 528^2 .

It is not a de Polignac number, because 56124513 - 2⁹ = 56124001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56124553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3118020 + ... + 3118037.

It is an arithmetic number, because the mean of its divisors is an integer number (13511459).

Almost surely, 2^56124513 is an apocalyptic number.

It is an amenable number.

56124513 is a deficient number, since it is larger than the sum of its proper divisors (24944241).

56124513 is a wasteful number, since it uses less digits than its factorization.

56124513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236063 (or 6236060 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 56124513 is about 7491.6295290144. The cubic root of 56124513 is about 382.8695799922.

Adding to 56124513 its reverse (31542165), we get a palindrome (87666678).

The spelling of 56124513 in words is "fifty-six million, one hundred twenty-four thousand, five hundred thirteen".