57160565 has 16 divisors (see below), whose sum is σ = 85518720. Its totient is φ = 35632320.

The previous prime is 57160549. The next prime is 57160567. The reversal of 57160565 is 56506175.

It is not a de Polignac number, because 57160565 - 2⁴ = 57160549 is a prime.

It is a super-2 number, since 2×57160565² = 6534660382238450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57160567) 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, 73850 + ... + 74619.

It is an arithmetic number, because the mean of its divisors is an integer number (5344920).

Almost surely, 2^57160565 is an apocalyptic number.

57160565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57160565 is a deficient number, since it is larger than the sum of its proper divisors (28358155).

57160565 is a wasteful number, since it uses less digits than its factorization.

57160565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148492.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 57160565 is about 7560.4606341148. The cubic root of 57160565 is about 385.2111395981.

The spelling of 57160565 in words is "fifty-seven million, one hundred sixty thousand, five hundred sixty-five".