57235613 has 8 divisors (see below), whose sum is σ = 58880640. Its totient is φ = 55608480.

The previous prime is 57235609. The next prime is 57235627. The reversal of 57235613 is 31653275.

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

It is a cyclic number.

It is not a de Polignac number, because 57235613 - 2² = 57235609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57235613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57235643) 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, 2153 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (7360080).

Almost surely, 2^57235613 is an apocalyptic number.

It is an amenable number.

57235613 is a deficient number, since it is larger than the sum of its proper divisors (1645027).

57235613 is a wasteful number, since it uses less digits than its factorization.

57235613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947.

The product of its digits is 18900, while the sum is 32.

The square root of 57235613 is about 7565.4221957535. The cubic root of 57235613 is about 385.3796513615.

Adding to 57235613 its reverse (31653275), we get a palindrome (88888888).

The spelling of 57235613 in words is "fifty-seven million, two hundred thirty-five thousand, six hundred thirteen".