57160505 has 8 divisors (see below), whose sum is σ = 68714952. Its totient is φ = 45646848.

The previous prime is 57160501. The next prime is 57160549. The reversal of 57160505 is 50506175.

57160505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 51998521 = 2272^2 + 7211^2 .

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 57160505 - 2² = 57160501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57160501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (8589369).

Almost surely, 2^57160505 is an apocalyptic number.

It is an amenable number.

57160505 is a deficient number, since it is larger than the sum of its proper divisors (11554447).

57160505 is a wasteful number, since it uses less digits than its factorization.

57160505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20395.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 57160505 is about 7560.4566661016. The cubic root of 57160505 is about 385.2110048159.

The spelling of 57160505 in words is "fifty-seven million, one hundred sixty thousand, five hundred five".