57212959 has 4 divisors (see below), whose sum is σ = 58430304. Its totient is φ = 55995616.

The previous prime is 57212951. The next prime is 57212963. The reversal of 57212959 is 95921275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57212959 - 2³ = 57212951 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57212951) 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 3 ways as a sum of consecutive naturals, for example, 608602 + ... + 608695.

It is an arithmetic number, because the mean of its divisors is an integer number (14607576).

Almost surely, 2^57212959 is an apocalyptic number.

57212959 is a deficient number, since it is larger than the sum of its proper divisors (1217345).

57212959 is a wasteful number, since it uses less digits than its factorization.

57212959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217344.

The product of its digits is 56700, while the sum is 40.

The square root of 57212959 is about 7563.9248409804. The cubic root of 57212959 is about 385.3287999058.

It can be divided in two parts, 572 and 12959, that added together give a palindrome (13531).

The spelling of 57212959 in words is "fifty-seven million, two hundred twelve thousand, nine hundred fifty-nine".