56751225 has 12 divisors (see below), whose sum is σ = 93828816. Its totient is φ = 30267280.

The previous prime is 56751217. The next prime is 56751251. The reversal of 56751225 is 52215765.

It is not a de Polignac number, because 56751225 - 2³ = 56751217 is a prime.

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, 378267 + ... + 378416.

It is an arithmetic number, because the mean of its divisors is an integer number (7819068).

Almost surely, 2^56751225 is an apocalyptic number.

It is an amenable number.

56751225 is a deficient number, since it is larger than the sum of its proper divisors (37077591).

56751225 is a wasteful number, since it uses less digits than its factorization.

56751225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756696 (or 756691 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 56751225 is about 7533.3408923266. The cubic root of 56751225 is about 384.2894072090.

The spelling of 56751225 in words is "fifty-six million, seven hundred fifty-one thousand, two hundred twenty-five".