57983631 has 4 divisors (see below), whose sum is σ = 77311512. Its totient is φ = 38655752.

The previous prime is 57983623. The next prime is 57983633. The reversal of 57983631 is 13638975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57983631 - 2³ = 57983623 is a prime.

It is a super-2 number, since 2×57983631² = 6724202927888322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57983633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9663936 + ... + 9663941.

It is an arithmetic number, because the mean of its divisors is an integer number (19327878).

Almost surely, 2^57983631 is an apocalyptic number.

57983631 is a deficient number, since it is larger than the sum of its proper divisors (19327881).

57983631 is a wasteful number, since it uses less digits than its factorization.

57983631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327880.

The product of its digits is 136080, while the sum is 42.

The square root of 57983631 is about 7614.6983525285. The cubic root of 57983631 is about 387.0512454757.

The spelling of 57983631 in words is "fifty-seven million, nine hundred eighty-three thousand, six hundred thirty-one".