57020252 has 12 divisors (see below), whose sum is σ = 100669296. Its totient is φ = 28257600.

The previous prime is 57020251. The next prime is 57020267. The reversal of 57020252 is 25202075.

It is a super-4 number, since 4×57020252⁴ (a number of 32 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57020251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62624 + ... + 63527.

It is an arithmetic number, because the mean of its divisors is an integer number (8389108).

Almost surely, 2^57020252 is an apocalyptic number.

It is an amenable number.

57020252 is a deficient number, since it is larger than the sum of its proper divisors (43649044).

57020252 is a wasteful number, since it uses less digits than its factorization.

57020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126268 (or 126266 counting only the distinct ones).

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

The square root of 57020252 is about 7551.1755376233. The cubic root of 57020252 is about 384.8956865874.

The spelling of 57020252 in words is "fifty-seven million, twenty thousand, two hundred fifty-two".