57020052 has 24 divisors (see below), whose sum is σ = 133168896. Its totient is φ = 18989248.

The previous prime is 57020039. The next prime is 57020099. The reversal of 57020052 is 25002075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24733 + ... + 26939.

It is an arithmetic number, because the mean of its divisors is an integer number (5548704).

Almost surely, 2^57020052 is an apocalyptic number.

It is an amenable number.

57020052 is an abundant number, since it is smaller than the sum of its proper divisors (76148844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57020052 is a wasteful number, since it uses less digits than its factorization.

57020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 57020052 is about 7551.1622946405. The cubic root of 57020052 is about 384.8952365764.

The spelling of 57020052 in words is "fifty-seven million, twenty thousand, fifty-two".