57399091 has 12 divisors (see below), whose sum is σ = 60015384. Its totient is φ = 54891200.

The previous prime is 57398989. The next prime is 57399103. The reversal of 57399091 is 19099375.

It is a de Polignac number, because none of the positive numbers 2^k-57399091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57399491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109911 + ... + 110431.

It is an arithmetic number, because the mean of its divisors is an integer number (5001282).

Almost surely, 2^57399091 is an apocalyptic number.

57399091 is a deficient number, since it is larger than the sum of its proper divisors (2616293).

57399091 is a wasteful number, since it uses less digits than its factorization.

57399091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 57399091 is about 7576.2187798400. The cubic root of 57399091 is about 385.7462133934.

The spelling of 57399091 in words is "fifty-seven million, three hundred ninety-nine thousand, ninety-one".