57291052 has 24 divisors (see below), whose sum is σ = 123396896. Its totient is φ = 22664448.

The previous prime is 57291049. The next prime is 57291067. The reversal of 57291052 is 25019275.

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, 78333 + ... + 79060.

Almost surely, 2^57291052 is an apocalyptic number.

57291052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57291052 is an abundant number, since it is smaller than the sum of its proper divisors (66105844).

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

57291052 is a wasteful number, since it uses less digits than its factorization.

57291052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157417 (or 157415 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 57291052 is about 7569.0852815912. The cubic root of 57291052 is about 385.5040387661.

The spelling of 57291052 in words is "fifty-seven million, two hundred ninety-one thousand, fifty-two".