56111272 has 24 divisors (see below), whose sum is σ = 122386410. Its totient is φ = 24047520.

The previous prime is 56111269. The next prime is 56111281. The reversal of 56111272 is 27211165.

It can be written as a sum of positive squares in only one way, i.e., 39513796 + 16597476 = 6286^2 + 4074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71179 + ... + 71962.

Almost surely, 2^56111272 is an apocalyptic number.

It is an amenable number.

56111272 is an abundant number, since it is smaller than the sum of its proper divisors (66275138).

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

56111272 is a wasteful number, since it uses less digits than its factorization.

56111272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143161 (or 143150 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 56111272 is about 7490.7457572661. The cubic root of 56111272 is about 382.8394685218.

The spelling of 56111272 in words is "fifty-six million, one hundred eleven thousand, two hundred seventy-two".