57131060 has 72 divisors (see below), whose sum is σ = 141236424. Its totient is φ = 19353600.

The previous prime is 57131059. The next prime is 57131083. The reversal of 57131060 is 6013175.

57131060 = T₁₁₉ + T₁₂₀ + ... + T₇₀₀.

It can be written as a sum of positive squares in 4 ways, for example, as 12348196 + 44782864 = 3514^2 + 6692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94760 + ... + 95360.

It is an arithmetic number, because the mean of its divisors is an integer number (1961617).

Almost surely, 2^57131060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57131060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70618212).

57131060 is an abundant number, since it is smaller than the sum of its proper divisors (84105364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57131060 is a wasteful number, since it uses less digits than its factorization.

57131060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 57131060 is about 7558.5091122522. The cubic root of 57131060 is about 385.1448490777.

The spelling of 57131060 in words is "fifty-seven million, one hundred thirty-one thousand, sixty".