57131063 has 4 divisors (see below), whose sum is σ = 62324808. Its totient is φ = 51937320.

The previous prime is 57131059. The next prime is 57131083. The reversal of 57131063 is 36013175.

It is a happy number.

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 57131063 - 2² = 57131059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57131003) 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, 2596856 + ... + 2596877.

It is an arithmetic number, because the mean of its divisors is an integer number (15581202).

Almost surely, 2^57131063 is an apocalyptic number.

57131063 is a deficient number, since it is larger than the sum of its proper divisors (5193745).

57131063 is a wasteful number, since it uses less digits than its factorization.

57131063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193744.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 57131063 is about 7558.5093107041. The cubic root of 57131063 is about 385.1448558191.

It can be divided in two parts, 5713 and 1063, that added together give a palindrome (6776).

The spelling of 57131063 in words is "fifty-seven million, one hundred thirty-one thousand, sixty-three".