57130845 has 16 divisors (see below), whose sum is σ = 91512960. Its totient is φ = 30435264.

The previous prime is 57130837. The next prime is 57130859. The reversal of 57130845 is 54803175.

It is not a de Polignac number, because 57130845 - 2³ = 57130837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17016 + ... + 20094.

It is an arithmetic number, because the mean of its divisors is an integer number (5719560).

Almost surely, 2^57130845 is an apocalyptic number.

It is an amenable number.

57130845 is a deficient number, since it is larger than the sum of its proper divisors (34382115).

57130845 is a wasteful number, since it uses less digits than its factorization.

57130845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 57130845 is about 7558.4948898574. The cubic root of 57130845 is about 385.1443659415.

It can be divided in two parts, 57130 and 845, that added together give a palindrome (57975).

The spelling of 57130845 in words is "fifty-seven million, one hundred thirty thousand, eight hundred forty-five".