56915460 has 216 divisors, whose sum is σ = 209139840. Its totient is φ = 12954816.

The previous prime is 56915459. The next prime is 56915489. The reversal of 56915460 is 6451965.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 238021 + ... + 238259.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^56915460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56915460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104569920).

56915460 is an abundant number, since it is smaller than the sum of its proper divisors (152224380).

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

56915460 is a wasteful number, since it uses less digits than its factorization.

56915460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 256 counting only the distinct ones).

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

The square root of 56915460 is about 7544.2335594810. The cubic root of 56915460 is about 384.6597544915.

It can be divided in two parts, 56915 and 460, that added together give a palindrome (57375).

The spelling of 56915460 in words is "fifty-six million, nine hundred fifteen thousand, four hundred sixty".