57197516 has 6 divisors (see below), whose sum is σ = 100095660. Its totient is φ = 28598756.

The previous prime is 57197509. The next prime is 57197519. The reversal of 57197516 is 61579175.

57197516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57197519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7149686 + ... + 7149693.

It is an arithmetic number, because the mean of its divisors is an integer number (16682610).

Almost surely, 2^57197516 is an apocalyptic number.

It is an amenable number.

57197516 is a deficient number, since it is larger than the sum of its proper divisors (42898144).

57197516 is a wasteful number, since it uses less digits than its factorization.

57197516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299383 (or 14299381 counting only the distinct ones).

The product of its digits is 66150, while the sum is 41.

The square root of 57197516 is about 7562.9039396253. The cubic root of 57197516 is about 385.2941272941.

The spelling of 57197516 in words is "fifty-seven million, one hundred ninety-seven thousand, five hundred sixteen".