57195390 has 32 divisors (see below), whose sum is σ = 156879360. Its totient is φ = 13073184.

The previous prime is 57195389. The next prime is 57195407. The reversal of 57195390 is 9359175.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135970 + ... + 136389.

It is an arithmetic number, because the mean of its divisors is an integer number (4902480).

Almost surely, 2^57195390 is an apocalyptic number.

57195390 is an abundant number, since it is smaller than the sum of its proper divisors (99683970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57195390 is a wasteful number, since it uses less digits than its factorization.

57195390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272376.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 57195390 is about 7562.7633838432. The cubic root of 57195390 is about 385.2893535118.

The spelling of 57195390 in words is "fifty-seven million, one hundred ninety-five thousand, three hundred ninety".