57196660 has 24 divisors (see below), whose sum is σ = 121219560. Its totient is φ = 22667904.

The previous prime is 57196637. The next prime is 57196661. The reversal of 57196660 is 6669175.

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 54493924 = 1644^2 + 7382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57196661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10939 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (5050815).

Almost surely, 2^57196660 is an apocalyptic number.

It is an amenable number.

57196660 is an abundant number, since it is smaller than the sum of its proper divisors (64022900).

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

57196660 is a wasteful number, since it uses less digits than its factorization.

57196660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26355 (or 26353 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 57196660 is about 7562.8473473950. The cubic root of 57196660 is about 385.2922052210.

The spelling of 57196660 in words is "fifty-seven million, one hundred ninety-six thousand, six hundred sixty".