56263621068 has 72 divisors (see below), whose sum is σ = 145378881648. Its totient is φ = 18340553088.

The previous prime is 56263621067. The next prime is 56263621069. The reversal of 56263621068 is 86012636265.

56263621068 is a `hidden beast` number, since 5 + 6 + 2 + 636 + 2 + 1 + 0 + 6 + 8 = 666.

56263621068 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 (56263621067) and next prime (56263621069).

It is not an unprimeable number, because it can be changed into a prime (56263621061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537730 + ... + 633782.

It is an arithmetic number, because the mean of its divisors is an integer number (2019151134).

Almost surely, 2^56263621068 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 56263621068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72689440824).

56263621068 is an abundant number, since it is smaller than the sum of its proper divisors (89115260580).

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

56263621068 is a wasteful number, since it uses less digits than its factorization.

56263621068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96423 (or 96418 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 56263621068 in words is "fifty-six billion, two hundred sixty-three million, six hundred twenty-one thousand, sixty-eight".