57021153 has 24 divisors (see below), whose sum is σ = 89904960. Its totient is φ = 32044320.

The previous prime is 57021131. The next prime is 57021161. The reversal of 57021153 is 35112075.

It is not a de Polignac number, because 57021153 - 2¹² = 57017057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57021113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5788 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (3746040).

Almost surely, 2^57021153 is an apocalyptic number.

It is an amenable number.

57021153 is a deficient number, since it is larger than the sum of its proper divisors (32883807).

57021153 is a wasteful number, since it uses less digits than its factorization.

57021153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 57021153 is about 7551.2351969727. The cubic root of 57021153 is about 384.8977138740.

The spelling of 57021153 in words is "fifty-seven million, twenty-one thousand, one hundred fifty-three".