56617268 has 12 divisors (see below), whose sum is σ = 99251460. Its totient is φ = 28259712.

The previous prime is 56617241. The next prime is 56617307. The reversal of 56617268 is 86271665.

It can be written as a sum of positive squares in 2 ways, for example, as 39790864 + 16826404 = 6308^2 + 4102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (8270955).

Almost surely, 2^56617268 is an apocalyptic number.

It is an amenable number.

56617268 is a deficient number, since it is larger than the sum of its proper divisors (42634192).

56617268 is a wasteful number, since it uses less digits than its factorization.

56617268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24466 (or 24464 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 56617268 is about 7524.4446971189. Note that the first 3 decimals coincide. The cubic root of 56617268 is about 383.9868069107.

The spelling of 56617268 in words is "fifty-six million, six hundred seventeen thousand, two hundred sixty-eight".