57893891 has 16 divisors (see below), whose sum is σ = 67804128. Its totient is φ = 48844800.

The previous prime is 57893887. The next prime is 57893929. The reversal of 57893891 is 19839875.

It is a cyclic number.

It is not a de Polignac number, because 57893891 - 2² = 57893887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57893881) 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, 11531 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (4237758).

Almost surely, 2^57893891 is an apocalyptic number.

57893891 is a deficient number, since it is larger than the sum of its proper divisors (9910237).

57893891 is a wasteful number, since it uses less digits than its factorization.

57893891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342.

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

The square root of 57893891 is about 7608.8035196081. The cubic root of 57893891 is about 386.8514654539.

The spelling of 57893891 in words is "fifty-seven million, eight hundred ninety-three thousand, eight hundred ninety-one".