57923691 has 16 divisors (see below), whose sum is σ = 88454400. Its totient is φ = 33028128.

The previous prime is 57923689. The next prime is 57923699. The reversal of 57923691 is 19632975.

It is not a de Polignac number, because 57923691 - 2¹ = 57923689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57923699) 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, 7980 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (5528400).

Almost surely, 2^57923691 is an apocalyptic number.

57923691 is a deficient number, since it is larger than the sum of its proper divisors (30530709).

57923691 is a wasteful number, since it uses less digits than its factorization.

57923691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938.

The product of its digits is 102060, while the sum is 42.

The square root of 57923691 is about 7610.7615256294. The cubic root of 57923691 is about 386.9178293716.

The spelling of 57923691 in words is "fifty-seven million, nine hundred twenty-three thousand, six hundred ninety-one".