57020225 has 12 divisors (see below), whose sum is σ = 71602560. Its totient is φ = 45037200.

The previous prime is 57020213. The next prime is 57020237. The reversal of 57020225 is 52202075.

It is an interprime number because it is at equal distance from previous prime (57020213) and next prime (57020237).

It is not a de Polignac number, because 57020225 - 2²² = 52825921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57020225.

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, 12461 + ... + 16410.

It is an arithmetic number, because the mean of its divisors is an integer number (5966880).

Almost surely, 2^57020225 is an apocalyptic number.

It is an amenable number.

57020225 is a deficient number, since it is larger than the sum of its proper divisors (14582335).

57020225 is a wasteful number, since it uses less digits than its factorization.

57020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28960 (or 28955 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 57020225 is about 7551.1737498219. The cubic root of 57020225 is about 384.8956258360.

The spelling of 57020225 in words is "fifty-seven million, twenty thousand, two hundred twenty-five".