56266613 has 8 divisors (see below), whose sum is σ = 61326048. Its totient is φ = 51311664.

The previous prime is 56266591. The next prime is 56266621. The reversal of 56266613 is 31666265.

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 56266613 - 2¹⁶ = 56201077 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 (56266633) 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, 24995 + ... + 27152.

It is an arithmetic number, because the mean of its divisors is an integer number (7665756).

Almost surely, 2^56266613 is an apocalyptic number.

It is an amenable number.

56266613 is a deficient number, since it is larger than the sum of its proper divisors (5059435).

56266613 is a wasteful number, since it uses less digits than its factorization.

56266613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52243.

The product of its digits is 38880, while the sum is 35.

The square root of 56266613 is about 7501.1074515701. The cubic root of 56266613 is about 383.1924330723.

The spelling of 56266613 in words is "fifty-six million, two hundred sixty-six thousand, six hundred thirteen".