56016015 has 16 divisors (see below), whose sum is σ = 97773696. Its totient is φ = 27159200.

The previous prime is 56016007. The next prime is 56016029. The reversal of 56016015 is 51061065.

It is not a de Polignac number, because 56016015 - 2³ = 56016007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169581 + ... + 169910.

It is an arithmetic number, because the mean of its divisors is an integer number (6110856).

Almost surely, 2^56016015 is an apocalyptic number.

56016015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56016015 is a deficient number, since it is larger than the sum of its proper divisors (41757681).

56016015 is a wasteful number, since it uses less digits than its factorization.

56016015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339510.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 56016015 is about 7484.3847442525. The cubic root of 56016015 is about 382.6227040223.

The spelling of 56016015 in words is "fifty-six million, sixteen thousand, fifteen".