57213170 has 16 divisors (see below), whose sum is σ = 117695808. Its totient is φ = 19615920.

The previous prime is 57213157. The next prime is 57213173. The reversal of 57213170 is 7131275.

It is not an unprimeable number, because it can be changed into a prime (57213173) 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, 408596 + ... + 408735.

It is an arithmetic number, because the mean of its divisors is an integer number (7355988).

Almost surely, 2^57213170 is an apocalyptic number.

57213170 is an abundant number, since it is smaller than the sum of its proper divisors (60482638).

57213170 is a wasteful number, since it uses less digits than its factorization.

57213170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817345.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 57213170 is about 7563.9387887529. The cubic root of 57213170 is about 385.3292735997.

The spelling of 57213170 in words is "fifty-seven million, two hundred thirteen thousand, one hundred seventy".