57912099 has 32 divisors (see below), whose sum is σ = 91914240. Its totient is φ = 31745952.

The previous prime is 57912089. The next prime is 57912103. The reversal of 57912099 is 99021975.

It is a Cunningham number, because it is equal to 7610²-1.

It is not a de Polignac number, because 57912099 - 2⁴ = 57912083 is a prime.

It is a super-2 number, since 2×57912099² = 6707622421171602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57912099.

It is not an unprimeable number, because it can be changed into a prime (57912079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52734 + ... + 53820.

It is an arithmetic number, because the mean of its divisors is an integer number (2872320).

Almost surely, 2^57912099 is an apocalyptic number.

57912099 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

57912099 is a deficient number, since it is larger than the sum of its proper divisors (34002141).

57912099 is a wasteful number, since it uses less digits than its factorization.

57912099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 57912099 is about 7609.9999342970. Note that the first 4 decimals coincide. The cubic root of 57912099 is about 386.8920169586.

The spelling of 57912099 in words is "fifty-seven million, nine hundred twelve thousand, ninety-nine".