56688460 has 24 divisors (see below), whose sum is σ = 122887296. Its totient is φ = 21943680.

The previous prime is 56688451. The next prime is 56688469. The reversal of 56688460 is 6488665.

It is an interprime number because it is at equal distance from previous prime (56688451) and next prime (56688469).

It is not an unprimeable number, because it can be changed into a prime (56688469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45097 + ... + 46336.

It is an arithmetic number, because the mean of its divisors is an integer number (5120304).

Almost surely, 2^56688460 is an apocalyptic number.

It is an amenable number.

56688460 is an abundant number, since it is smaller than the sum of its proper divisors (66198836).

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

56688460 is a wasteful number, since it uses less digits than its factorization.

56688460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91473 (or 91471 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 56688460 is about 7529.1739254715. The cubic root of 56688460 is about 384.1476844411.

The spelling of 56688460 in words is "fifty-six million, six hundred eighty-eight thousand, four hundred sixty".