56291516 has 6 divisors (see below), whose sum is σ = 98510160. Its totient is φ = 28145756.

The previous prime is 56291497. The next prime is 56291527. The reversal of 56291516 is 61519265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7036436 + ... + 7036443.

It is an arithmetic number, because the mean of its divisors is an integer number (16418360).

Almost surely, 2^56291516 is an apocalyptic number.

It is an amenable number.

56291516 is a deficient number, since it is larger than the sum of its proper divisors (42218644).

56291516 is a wasteful number, since it uses less digits than its factorization.

56291516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072883 (or 14072881 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 56291516 is about 7502.7672228319. The cubic root of 56291516 is about 383.2489570225.

The spelling of 56291516 in words is "fifty-six million, two hundred ninety-one thousand, five hundred sixteen".