56272305 has 16 divisors (see below), whose sum is σ = 90835200. Its totient is φ = 29745408.

The previous prime is 56272291. The next prime is 56272309. The reversal of 56272305 is 50327265.

It is not a de Polignac number, because 56272305 - 2⁴ = 56272289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56272309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14905 + ... + 18294.

It is an arithmetic number, because the mean of its divisors is an integer number (5677200).

Almost surely, 2^56272305 is an apocalyptic number.

It is an amenable number.

56272305 is a deficient number, since it is larger than the sum of its proper divisors (34562895).

56272305 is a wasteful number, since it uses less digits than its factorization.

56272305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33320.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 56272305 is about 7501.4868526180. The cubic root of 56272305 is about 383.2053540431.

The spelling of 56272305 in words is "fifty-six million, two hundred seventy-two thousand, three hundred five".