56012656 has 20 divisors (see below), whose sum is σ = 124028272. Its totient is φ = 24005376.

The previous prime is 56012651. The next prime is 56012657. The reversal of 56012656 is 65621065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56012651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249945 + ... + 250168.

Almost surely, 2^56012656 is an apocalyptic number.

56012656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56012656 is an abundant number, since it is smaller than the sum of its proper divisors (68015616).

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

56012656 is a wasteful number, since it uses less digits than its factorization.

56012656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500128 (or 500122 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56012656 is about 7484.1603403455. The cubic root of 56012656 is about 382.6150558800.

The spelling of 56012656 in words is "fifty-six million, twelve thousand, six hundred fifty-six".