56000016 has 60 divisors (see below), whose sum is σ = 157784172. Its totient is φ = 18540288.

The previous prime is 56000003. The next prime is 56000029. The reversal of 56000016 is 61000065.

56000016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56000003) and next prime (56000029).

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 33872400 = 4704^2 + 5820^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21370 + ... + 23846.

Almost surely, 2^56000016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56000016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78892086).

56000016 is an abundant number, since it is smaller than the sum of its proper divisors (101784156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56000016 is a wasteful number, since it uses less digits than its factorization.

56000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56000016 is about 7483.3158425928. The cubic root of 56000016 is about 382.5862729913.

The spelling of 56000016 in words is "fifty-six million, sixteen", and thus it is an aban number and an uban number.