56357225 has 12 divisors (see below), whose sum is σ = 72138240. Its totient is φ = 43630800.

The previous prime is 56357209. The next prime is 56357239. The reversal of 56357225 is 52275365.

It is not a de Polignac number, because 56357225 - 2⁴ = 56357209 is a prime.

It is a super-2 number, since 2×56357225² = 6352273619401250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35585 + ... + 37134.

It is an arithmetic number, because the mean of its divisors is an integer number (6011520).

Almost surely, 2^56357225 is an apocalyptic number.

It is an amenable number.

56357225 is a deficient number, since it is larger than the sum of its proper divisors (15781015).

56357225 is a wasteful number, since it uses less digits than its factorization.

56357225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72760 (or 72755 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 56357225 is about 7507.1449299984. The cubic root of 56357225 is about 383.3980210094.

The spelling of 56357225 in words is "fifty-six million, three hundred fifty-seven thousand, two hundred twenty-five".