57131086 has 8 divisors (see below), whose sum is σ = 85729104. Its totient is φ = 28554720.

The previous prime is 57131083. The next prime is 57131089. The reversal of 57131086 is 68013175.

57131086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57131083) and next prime (57131089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57131083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (10716138).

Almost surely, 2^57131086 is an apocalyptic number.

57131086 is a deficient number, since it is larger than the sum of its proper divisors (28598018).

57131086 is a wasteful number, since it uses less digits than its factorization.

57131086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 57131086 is about 7558.5108321679. The cubic root of 57131086 is about 385.1449075034.

The spelling of 57131086 in words is "fifty-seven million, one hundred thirty-one thousand, eighty-six".