52555613 has 8 divisors (see below), whose sum is σ = 57388800. Its totient is φ = 47731680.

The previous prime is 52555609. The next prime is 52555631. The reversal of 52555613 is 31655525.

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 52555613 - 2² = 52555609 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 52555613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555513) 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, 15713 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (7173600).

Almost surely, 2^52555613 is an apocalyptic number.

It is an amenable number.

52555613 is a deficient number, since it is larger than the sum of its proper divisors (4833187).

52555613 is a wasteful number, since it uses less digits than its factorization.

52555613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627.

The product of its digits is 22500, while the sum is 32.

The square root of 52555613 is about 7249.5250189237. The cubic root of 52555613 is about 374.5757881510.

The spelling of 52555613 in words is "fifty-two million, five hundred fifty-five thousand, six hundred thirteen".