56513255 has 8 divisors (see below), whose sum is σ = 67856400. Its totient is φ = 45183616.

The previous prime is 56513251. The next prime is 56513291. The reversal of 56513255 is 55231565.

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 56513255 - 2² = 56513251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56513251) 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, 13616 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (8482050).

Almost surely, 2^56513255 is an apocalyptic number.

56513255 is a deficient number, since it is larger than the sum of its proper divisors (11343145).

56513255 is a wasteful number, since it uses less digits than its factorization.

56513255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753.

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

The square root of 56513255 is about 7517.5298469644. The cubic root of 56513255 is about 383.7515188430.

The spelling of 56513255 in words is "fifty-six million, five hundred thirteen thousand, two hundred fifty-five".