57134631 has 4 divisors (see below), whose sum is σ = 76179512. Its totient is φ = 38089752.

The previous prime is 57134621. The next prime is 57134647. The reversal of 57134631 is 13643175.

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

It is not a de Polignac number, because 57134631 - 2¹⁰ = 57133607 is a prime.

It is a super-2 number, since 2×57134631² = 6528732119012322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57134621) 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, 9522436 + ... + 9522441.

It is an arithmetic number, because the mean of its divisors is an integer number (19044878).

Almost surely, 2^57134631 is an apocalyptic number.

57134631 is a deficient number, since it is larger than the sum of its proper divisors (19044881).

57134631 is a wasteful number, since it uses less digits than its factorization.

57134631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19044880.

The product of its digits is 7560, while the sum is 30.

The square root of 57134631 is about 7558.7453323948. The cubic root of 57134631 is about 385.1528734553.

The spelling of 57134631 in words is "fifty-seven million, one hundred thirty-four thousand, six hundred thirty-one".