56690415 has 16 divisors (see below), whose sum is σ = 100783200. Its totient is φ = 30234816.

The previous prime is 56690407. The next prime is 56690437. The reversal of 56690415 is 51409665.

56690415 is a `hidden beast` number, since 566 + 90 + 4 + 1 + 5 = 666.

It is not a de Polignac number, because 56690415 - 2³ = 56690407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56690415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209830 + ... + 210099.

It is an arithmetic number, because the mean of its divisors is an integer number (6298950).

Almost surely, 2^56690415 is an apocalyptic number.

56690415 is a deficient number, since it is larger than the sum of its proper divisors (44092785).

56690415 is a wasteful number, since it uses less digits than its factorization.

56690415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419943 (or 419937 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 56690415 is about 7529.3037526720. The cubic root of 56690415 is about 384.1521003904.

The spelling of 56690415 in words is "fifty-six million, six hundred ninety thousand, four hundred fifteen".