57195861 has 8 divisors (see below), whose sum is σ = 78121344. Its totient is φ = 37200480.

The previous prime is 57195829. The next prime is 57195869. The reversal of 57195861 is 16859175.

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

It is not a de Polignac number, because 57195861 - 2⁵ = 57195829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57195869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232381 + ... + 232626.

It is an arithmetic number, because the mean of its divisors is an integer number (9765168).

Almost surely, 2^57195861 is an apocalyptic number.

It is an amenable number.

57195861 is a deficient number, since it is larger than the sum of its proper divisors (20925483).

57195861 is a wasteful number, since it uses less digits than its factorization.

57195861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465051.

The product of its digits is 75600, while the sum is 42.

The square root of 57195861 is about 7562.7945231905. The cubic root of 57195861 is about 385.2904111191.

The spelling of 57195861 in words is "fifty-seven million, one hundred ninety-five thousand, eight hundred sixty-one".