56144272 has 10 divisors (see below), whose sum is σ = 108779558. Its totient is φ = 28072128.

The previous prime is 56144269. The next prime is 56144303. The reversal of 56144272 is 27244165.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 8202496 = 6924^2 + 2864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754493 + ... + 1754524.

Almost surely, 2^56144272 is an apocalyptic number.

It is an amenable number.

56144272 is a deficient number, since it is larger than the sum of its proper divisors (52635286).

56144272 is a wasteful number, since it uses less digits than its factorization.

56144272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509025 (or 3509019 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 56144272 is about 7492.9481514288. The cubic root of 56144272 is about 382.9145052962.

The spelling of 56144272 in words is "fifty-six million, one hundred forty-four thousand, two hundred seventy-two".