56522513 has 8 divisors (see below), whose sum is σ = 57428736. Its totient is φ = 55620000.

The previous prime is 56522509. The next prime is 56522519. The reversal of 56522513 is 31522565.

It is a happy number.

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 56522513 - 2² = 56522509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56522519) 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, 54308 + ... + 55338.

It is an arithmetic number, because the mean of its divisors is an integer number (7178592).

Almost surely, 2^56522513 is an apocalyptic number.

It is an amenable number.

56522513 is a deficient number, since it is larger than the sum of its proper divisors (906223).

56522513 is a wasteful number, since it uses less digits than its factorization.

56522513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its digits is 9000, while the sum is 29.

The square root of 56522513 is about 7518.1455825223. The cubic root of 56522513 is about 383.7724730868.

The spelling of 56522513 in words is "fifty-six million, five hundred twenty-two thousand, five hundred thirteen".