57129692 has 12 divisors (see below), whose sum is σ = 100156056. Its totient is φ = 28513680.

The previous prime is 57129691. The next prime is 57129697. The reversal of 57129692 is 29692175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57129691) 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, 10223 + ... + 14790.

It is an arithmetic number, because the mean of its divisors is an integer number (8346338).

Almost surely, 2^57129692 is an apocalyptic number.

It is an amenable number.

57129692 is a deficient number, since it is larger than the sum of its proper divisors (43026364).

57129692 is a wasteful number, since it uses less digits than its factorization.

57129692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25588 (or 25586 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 57129692 is about 7558.4186176739. The cubic root of 57129692 is about 385.1417749626.

The spelling of 57129692 in words is "fifty-seven million, one hundred twenty-nine thousand, six hundred ninety-two".