57516161 has 8 divisors (see below), whose sum is σ = 58325760. Its totient is φ = 56710368.

The previous prime is 57516149. The next prime is 57516197. The reversal of 57516161 is 16161575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57516161 - 2¹⁴ = 57499777 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57516061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42680 + ... + 44006.

It is an arithmetic number, because the mean of its divisors is an integer number (7290720).

Almost surely, 2^57516161 is an apocalyptic number.

It is an amenable number.

57516161 is a deficient number, since it is larger than the sum of its proper divisors (809599).

57516161 is a wasteful number, since it uses less digits than its factorization.

57516161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its digits is 6300, while the sum is 32.

The square root of 57516161 is about 7583.9409939688. The cubic root of 57516161 is about 386.0082886351.

The spelling of 57516161 in words is "fifty-seven million, five hundred sixteen thousand, one hundred sixty-one".