56611272 has 32 divisors (see below), whose sum is σ = 142908480. Its totient is φ = 18686400.

The previous prime is 56611253. The next prime is 56611273. The reversal of 56611272 is 27211665.

It is a super-2 number, since 2×56611272² = 6409672234915968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56611273) 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, 8979 + ... + 13922.

It is an arithmetic number, because the mean of its divisors is an integer number (4465890).

Almost surely, 2^56611272 is an apocalyptic number.

It is an amenable number.

56611272 is an abundant number, since it is smaller than the sum of its proper divisors (86297208).

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

56611272 is a wasteful number, since it uses less digits than its factorization.

56611272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23013 (or 23009 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 56611272 is about 7524.0462518515. The cubic root of 56611272 is about 383.9732511750.

The spelling of 56611272 in words is "fifty-six million, six hundred eleven thousand, two hundred seventy-two".