56019815863 has 8 divisors (see below), whose sum is σ = 61225495056. Its totient is φ = 50832964800.

The previous prime is 56019815851. The next prime is 56019815899. The reversal of 56019815863 is 36851891065.

56019815863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 56019815863 - 2⁹ = 56019815351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56019815863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56019815263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700806 + ... + 4712707.

It is an arithmetic number, because the mean of its divisors is an integer number (7653186882).

Almost surely, 2^56019815863 is an apocalyptic number.

56019815863 is a deficient number, since it is larger than the sum of its proper divisors (5205679193).

56019815863 is a wasteful number, since it uses less digits than its factorization.

56019815863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414065.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 56019815863 in words is "fifty-six billion, nineteen million, eight hundred fifteen thousand, eight hundred sixty-three".