56289013 has 8 divisors (see below), whose sum is σ = 62271936. Its totient is φ = 50450400.

The previous prime is 56289011. The next prime is 56289043. The reversal of 56289013 is 31098265.

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

It is not a de Polignac number, because 56289013 - 2¹ = 56289011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56289013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56289011) 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, 35256 + ... + 36817.

It is an arithmetic number, because the mean of its divisors is an integer number (7783992).

Almost surely, 2^56289013 is an apocalyptic number.

It is an amenable number.

56289013 is a deficient number, since it is larger than the sum of its proper divisors (5982923).

56289013 is a wasteful number, since it uses less digits than its factorization.

56289013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72155.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56289013 is about 7502.6004158558. The cubic root of 56289013 is about 383.2432765551.

It can be divided in two parts, 5628 and 9013, that added together give a palindrome (14641).

The spelling of 56289013 in words is "fifty-six million, two hundred eighty-nine thousand, thirteen".