57113919 has 12 divisors (see below), whose sum is σ = 83543200. Its totient is φ = 37593504.

The previous prime is 57113909. The next prime is 57113923. The reversal of 57113919 is 91931175.

It is not a de Polignac number, because 57113919 - 2⁵ = 57113887 is a prime.

It is a super-2 number, since 2×57113919² = 6523999487077122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57113909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39454 + ... + 40875.

Almost surely, 2^57113919 is an apocalyptic number.

57113919 is a deficient number, since it is larger than the sum of its proper divisors (26429281).

57113919 is a wasteful number, since it uses less digits than its factorization.

57113919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80414 (or 80411 counting only the distinct ones).

The product of its digits is 8505, while the sum is 36.

The square root of 57113919 is about 7557.3751395574. The cubic root of 57113919 is about 385.1063269602.

The spelling of 57113919 in words is "fifty-seven million, one hundred thirteen thousand, nine hundred nineteen".