56424537 has 18 divisors (see below), whose sum is σ = 88256142. Its totient is φ = 34721856.

The previous prime is 56424527. The next prime is 56424539. The reversal of 56424537 is 73542465.

56424537 is a `hidden beast` number, since 5 + 642 + 4 + 5 + 3 + 7 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1382976 + 55041561 = 1176^2 + 7419^2 .

It is not a de Polignac number, because 56424537 - 2⁴ = 56424521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56424539) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17028 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (4903119).

Almost surely, 2^56424537 is an apocalyptic number.

It is an amenable number.

56424537 is a deficient number, since it is larger than the sum of its proper divisors (31831605).

56424537 is a wasteful number, since it uses less digits than its factorization.

56424537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37129 (or 37113 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 56424537 is about 7511.6267878536. The cubic root of 56424537 is about 383.5506013859.

The spelling of 56424537 in words is "fifty-six million, four hundred twenty-four thousand, five hundred thirty-seven".