57156532 has 6 divisors (see below), whose sum is σ = 100023938. Its totient is φ = 28578264.

The previous prime is 57156521. The next prime is 57156553. The reversal of 57156532 is 23565175.

It can be written as a sum of positive squares in only one way, i.e., 34058896 + 23097636 = 5836^2 + 4806^2 .

It is a super-3 number, since 3×57156532³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7144563 + ... + 7144570.

Almost surely, 2^57156532 is an apocalyptic number.

It is an amenable number.

57156532 is a deficient number, since it is larger than the sum of its proper divisors (42867406).

57156532 is a wasteful number, since it uses less digits than its factorization.

57156532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289137 (or 14289135 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 57156532 is about 7560.1939128570. The cubic root of 57156532 is about 385.2020797794.

The spelling of 57156532 in words is "fifty-seven million, one hundred fifty-six thousand, five hundred thirty-two".