57899831 has 16 divisors (see below), whose sum is σ = 65300256. Its totient is φ = 51304000.

The previous prime is 57899791. The next prime is 57899833. The reversal of 57899831 is 13899875.

It is not a de Polignac number, because 57899831 - 2⁶ = 57899767 is a prime.

It is a super-2 number, since 2×57899831² = 6704780859657122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57899831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57899833) 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, 54041 + ... + 55101.

It is an arithmetic number, because the mean of its divisors is an integer number (4081266).

Almost surely, 2^57899831 is an apocalyptic number.

57899831 is a deficient number, since it is larger than the sum of its proper divisors (7400425).

57899831 is a wasteful number, since it uses less digits than its factorization.

57899831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1113 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 57899831 is about 7609.1938469197. The cubic root of 57899831 is about 386.8646955149.

The spelling of 57899831 in words is "fifty-seven million, eight hundred ninety-nine thousand, eight hundred thirty-one".