57020652 has 96 divisors (see below), whose sum is σ = 168638400. Its totient is φ = 16505856.

The previous prime is 57020603. The next prime is 57020659. The reversal of 57020652 is 25602075.

57020652 is a `hidden beast` number, since 5 + 7 + 0 + 2 + 0 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (57020659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22674 + ... + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (1756650).

Almost surely, 2^57020652 is an apocalyptic number.

57020652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57020652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84319200).

57020652 is an abundant number, since it is smaller than the sum of its proper divisors (111617748).

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

57020652 is a wasteful number, since it uses less digits than its factorization.

57020652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57020652 is about 7551.2020235192. The cubic root of 57020652 is about 384.8965866063.

The spelling of 57020652 in words is "fifty-seven million, twenty thousand, six hundred fifty-two".