57423191 has 16 divisors (see below), whose sum is σ = 68014080. Its totient is φ = 47442240.

The previous prime is 57423181. The next prime is 57423209. The reversal of 57423191 is 19132475.

It is a cyclic number.

It is not a de Polignac number, because 57423191 - 2¹⁸ = 57161047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423101) 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, 88430 + ... + 89076.

It is an arithmetic number, because the mean of its divisors is an integer number (4250880).

Almost surely, 2^57423191 is an apocalyptic number.

57423191 is a deficient number, since it is larger than the sum of its proper divisors (10590889).

57423191 is a wasteful number, since it uses less digits than its factorization.

57423191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its digits is 7560, while the sum is 32.

The square root of 57423191 is about 7577.8091160968. The cubic root of 57423191 is about 385.8001932433.

The spelling of 57423191 in words is "fifty-seven million, four hundred twenty-three thousand, one hundred ninety-one".