56013015 has 16 divisors (see below), whose sum is σ = 89745408. Its totient is φ = 29832096.

The previous prime is 56012989. The next prime is 56013017. The reversal of 56013015 is 51031065.

It is a happy number.

It is not a de Polignac number, because 56013015 - 2¹¹ = 56010967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56012982 and 56013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56013017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10782 + ... + 15108.

It is an arithmetic number, because the mean of its divisors is an integer number (5609088).

Almost surely, 2^56013015 is an apocalyptic number.

56013015 is a deficient number, since it is larger than the sum of its proper divisors (33732393).

56013015 is a wasteful number, since it uses less digits than its factorization.

56013015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 56013015 is about 7484.1843242935. The cubic root of 56013015 is about 382.6158733055.

The spelling of 56013015 in words is "fifty-six million, thirteen thousand, fifteen".