57383091 has 12 divisors (see below), whose sum is σ = 86490768. Its totient is φ = 36591984.

The previous prime is 57383089. The next prime is 57383107. The reversal of 57383091 is 19038375.

57383091 is a `hidden beast` number, since 573 + 83 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 57383091 - 2¹ = 57383089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57383071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138400 + ... + 138813.

It is an arithmetic number, because the mean of its divisors is an integer number (7207564).

Almost surely, 2^57383091 is an apocalyptic number.

57383091 is a deficient number, since it is larger than the sum of its proper divisors (29107677).

57383091 is a wasteful number, since it uses less digits than its factorization.

57383091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277242 (or 277239 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 57383091 is about 7575.1627705284. The cubic root of 57383091 is about 385.7103678026.

The spelling of 57383091 in words is "fifty-seven million, three hundred eighty-three thousand, ninety-one".