57816814 has 16 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 25834360.

The previous prime is 57816809. The next prime is 57816827. The reversal of 57816814 is 41861875.

It is a super-2 number, since 2×57816814² = 6685567962221192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20974 + ... + 23569.

It is an arithmetic number, because the mean of its divisors is an integer number (6013440).

Almost surely, 2^57816814 is an apocalyptic number.

57816814 is a deficient number, since it is larger than the sum of its proper divisors (38398226).

57816814 is a wasteful number, since it uses less digits than its factorization.

57816814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44615.

The product of its digits is 53760, while the sum is 40.

The square root of 57816814 is about 7603.7368444732. The cubic root of 57816814 is about 386.6797110476.

The spelling of 57816814 in words is "fifty-seven million, eight hundred sixteen thousand, eight hundred fourteen".