56690418 has 16 divisors (see below), whose sum is σ = 117290880. Its totient is φ = 18245136.

The previous prime is 56690407. The next prime is 56690437. The reversal of 56690418 is 81409665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162730 + ... + 163077.

It is an arithmetic number, because the mean of its divisors is an integer number (7330680).

Almost surely, 2^56690418 is an apocalyptic number.

56690418 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56690418 is an abundant number, since it is smaller than the sum of its proper divisors (60600462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56690418 is a wasteful number, since it uses less digits than its factorization.

56690418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325841.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 56690418 is about 7529.3039518936. The cubic root of 56690418 is about 384.1521071667.

The spelling of 56690418 in words is "fifty-six million, six hundred ninety thousand, four hundred eighteen".