57195959 has 4 divisors (see below), whose sum is σ = 57257304. Its totient is φ = 57134616.

The previous prime is 57195949. The next prime is 57195991. The reversal of 57195959 is 95959175.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57195959 - 2¹² = 57191863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57195949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29252 + ... + 31145.

It is an arithmetic number, because the mean of its divisors is an integer number (14314326).

Almost surely, 2^57195959 is an apocalyptic number.

57195959 is a deficient number, since it is larger than the sum of its proper divisors (61345).

57195959 is an equidigital number, since it uses as much as digits as its factorization.

57195959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61344.

The product of its digits is 637875, while the sum is 50.

The square root of 57195959 is about 7562.8010022742. The cubic root of 57195959 is about 385.2906311726.

The spelling of 57195959 in words is "fifty-seven million, one hundred ninety-five thousand, nine hundred fifty-nine".