57869513 has 16 divisors (see below), whose sum is σ = 66252816. Its totient is φ = 50073600.

The previous prime is 57869507. The next prime is 57869519. The reversal of 57869513 is 31596875.

It is an interprime number because it is at equal distance from previous prime (57869507) and next prime (57869519).

It can be written as a sum of positive squares in 8 ways, for example, as 1364224 + 56505289 = 1168^2 + 7517^2 .

It is a cyclic number.

It is not a de Polignac number, because 57869513 - 2⁸ = 57869257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57869519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88295 + ... + 88947.

It is an arithmetic number, because the mean of its divisors is an integer number (4140801).

Almost surely, 2^57869513 is an apocalyptic number.

It is an amenable number.

57869513 is a deficient number, since it is larger than the sum of its proper divisors (8383303).

57869513 is a wasteful number, since it uses less digits than its factorization.

57869513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 226800, while the sum is 44.

The square root of 57869513 is about 7607.2013907875. The cubic root of 57869513 is about 386.7971592691.

The spelling of 57869513 in words is "fifty-seven million, eight hundred sixty-nine thousand, five hundred thirteen".