56489613 has 8 divisors (see below), whose sum is σ = 75495168. Its totient is φ = 37571904.

The previous prime is 56489591. The next prime is 56489617. The reversal of 56489613 is 31698465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56489613 - 2⁵ = 56489581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56489617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20445 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (9436896).

Almost surely, 2^56489613 is an apocalyptic number.

It is an amenable number.

56489613 is a deficient number, since it is larger than the sum of its proper divisors (19005555).

56489613 is a wasteful number, since it uses less digits than its factorization.

56489613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43923.

The product of its digits is 155520, while the sum is 42.

The square root of 56489613 is about 7515.9572244658. The cubic root of 56489613 is about 383.6979979544.

The spelling of 56489613 in words is "fifty-six million, four hundred eighty-nine thousand, six hundred thirteen".