57372613 has 4 divisors (see below), whose sum is σ = 57577068. Its totient is φ = 57168160.

The previous prime is 57372611. The next prime is 57372619. The reversal of 57372613 is 31627375.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12723489 + 44649124 = 3567^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 57372613 - 2¹ = 57372611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57372611) 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, 101806 + ... + 102367.

It is an arithmetic number, because the mean of its divisors is an integer number (14394267).

Almost surely, 2^57372613 is an apocalyptic number.

It is an amenable number.

57372613 is a deficient number, since it is larger than the sum of its proper divisors (204455).

57372613 is a wasteful number, since it uses less digits than its factorization.

57372613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204454.

The product of its digits is 26460, while the sum is 34.

The square root of 57372613 is about 7574.4711366537. The cubic root of 57372613 is about 385.6868898107.

Adding to 57372613 its reverse (31627375), we get a palindrome (88999988).

The spelling of 57372613 in words is "fifty-seven million, three hundred seventy-two thousand, six hundred thirteen".