56507499 has 12 divisors (see below), whose sum is σ = 81702400. Its totient is φ = 37634544.

The previous prime is 56507497. The next prime is 56507519. The reversal of 56507499 is 99470565.

It is a happy number.

56507499 is a `hidden beast` number, since 56 + 507 + 4 + 99 = 666.

It is not a de Polignac number, because 56507499 - 2¹ = 56507497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56507497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9057 + ... + 13965.

Almost surely, 2^56507499 is an apocalyptic number.

56507499 is a deficient number, since it is larger than the sum of its proper divisors (25194901).

56507499 is a wasteful number, since it uses less digits than its factorization.

56507499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194 (or 6191 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 56507499 is about 7517.1469986957. The cubic root of 56507499 is about 383.7384897537.

The spelling of 56507499 in words is "fifty-six million, five hundred seven thousand, four hundred ninety-nine".