57132911 has 4 divisors (see below), whose sum is σ = 62326824. Its totient is φ = 51939000.

The previous prime is 57132893. The next prime is 57132923. The reversal of 57132911 is 11923175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57132911 - 2¹⁰ = 57131887 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 (57132931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2596940 + ... + 2596961.

It is an arithmetic number, because the mean of its divisors is an integer number (15581706).

Almost surely, 2^57132911 is an apocalyptic number.

57132911 is a deficient number, since it is larger than the sum of its proper divisors (5193913).

57132911 is a wasteful number, since it uses less digits than its factorization.

57132911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193912.

The product of its digits is 1890, while the sum is 29.

The square root of 57132911 is about 7558.6315560424. The cubic root of 57132911 is about 385.1490084930.

The spelling of 57132911 in words is "fifty-seven million, one hundred thirty-two thousand, nine hundred eleven".