55713613 has 8 divisors (see below), whose sum is σ = 58262400. Its totient is φ = 53175408.

The previous prime is 55713587. The next prime is 55713617. The reversal of 55713613 is 31631755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55713613 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 (55713617) 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, 9328 + ... + 14086.

It is an arithmetic number, because the mean of its divisors is an integer number (7282800).

Almost surely, 2^55713613 is an apocalyptic number.

It is an amenable number.

55713613 is a deficient number, since it is larger than the sum of its proper divisors (2548787).

55713613 is a wasteful number, since it uses less digits than its factorization.

55713613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291.

The product of its digits is 9450, while the sum is 31.

The square root of 55713613 is about 7464.1552100690. The cubic root of 55713613 is about 381.9329327723.

The spelling of 55713613 in words is "fifty-five million, seven hundred thirteen thousand, six hundred thirteen".