57213159 has 8 divisors (see below), whose sum is σ = 76601712. Its totient is φ = 37983360.

The previous prime is 57213157. The next prime is 57213173. The reversal of 57213159 is 95131275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57213159 - 2¹ = 57213157 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57213157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38844 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (9575214).

Almost surely, 2^57213159 is an apocalyptic number.

57213159 is a deficient number, since it is larger than the sum of its proper divisors (19388553).

57213159 is a wasteful number, since it uses less digits than its factorization.

57213159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79377.

The product of its digits is 9450, while the sum is 33.

The square root of 57213159 is about 7563.9380616184. The cubic root of 57213159 is about 385.3292489047.

It can be divided in two parts, 572 and 13159, that added together give a palindrome (13731).

The spelling of 57213159 in words is "fifty-seven million, two hundred thirteen thousand, one hundred fifty-nine".