57116461 has 4 divisors (see below), whose sum is σ = 57138400. Its totient is φ = 57094524.

The previous prime is 57116453. The next prime is 57116467. The reversal of 57116461 is 16461175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57116461 - 2³ = 57116453 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 (57116467) 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, 6441 + ... + 12478.

It is an arithmetic number, because the mean of its divisors is an integer number (14284600).

Almost surely, 2^57116461 is an apocalyptic number.

It is an amenable number.

57116461 is a deficient number, since it is larger than the sum of its proper divisors (21939).

57116461 is a wasteful number, since it uses less digits than its factorization.

57116461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938.

The product of its digits is 5040, while the sum is 31.

The square root of 57116461 is about 7557.5433177720. The cubic root of 57116461 is about 385.1120402538.

The spelling of 57116461 in words is "fifty-seven million, one hundred sixteen thousand, four hundred sixty-one".