56261513 has 8 divisors (see below), whose sum is σ = 70144320. Its totient is φ = 43840080.

The previous prime is 56261507. The next prime is 56261573. The reversal of 56261513 is 31516265.

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 56261513 - 2¹² = 56257417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56261573) 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, 365258 + ... + 365411.

It is an arithmetic number, because the mean of its divisors is an integer number (8768040).

Almost surely, 2^56261513 is an apocalyptic number.

It is an amenable number.

56261513 is a deficient number, since it is larger than the sum of its proper divisors (13882807).

56261513 is a wasteful number, since it uses less digits than its factorization.

56261513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730687.

The product of its digits is 5400, while the sum is 29.

The square root of 56261513 is about 7500.7674940635. The cubic root of 56261513 is about 383.1808552150.

Adding to 56261513 its reverse (31516265), we get a palindrome (87777778).

The spelling of 56261513 in words is "fifty-six million, two hundred sixty-one thousand, five hundred thirteen".