56017816 has 8 divisors (see below), whose sum is σ = 105033420. Its totient is φ = 28008904.

The previous prime is 56017813. The next prime is 56017831. The reversal of 56017816 is 61871065.

56017816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56017813) by changing a digit.

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 as a sum of consecutive naturals, namely, 3501106 + ... + 3501121.

Almost surely, 2^56017816 is an apocalyptic number.

It is an amenable number.

56017816 is a deficient number, since it is larger than the sum of its proper divisors (49015604).

56017816 is a wasteful number, since it uses less digits than its factorization.

56017816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002233 (or 7002229 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 56017816 is about 7484.5050604566. The cubic root of 56017816 is about 382.6268046121.

The spelling of 56017816 in words is "fifty-six million, seventeen thousand, eight hundred sixteen".