56364662628 has 36 divisors (see below), whose sum is σ = 142984404108. Its totient is φ = 18721355520.

The previous prime is 56364662621. The next prime is 56364662663. The reversal of 56364662628 is 82626646365.

It is a happy number.

56364662628 is a `hidden beast` number, since 5 + 6 + 3 + 6 + 4 + 6 + 6 + 2 + 628 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49475994624 + 6888668004 = 222432^2 + 82998^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (56364662621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2775801 + ... + 2796032.

It is an arithmetic number, because the mean of its divisors is an integer number (3971789003).

Almost surely, 2^56364662628 is an apocalyptic number.

It is an amenable number.

56364662628 is an abundant number, since it is smaller than the sum of its proper divisors (86619741480).

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

56364662628 is a wasteful number, since it uses less digits than its factorization.

56364662628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572124 (or 5572119 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 56364662628 in words is "fifty-six billion, three hundred sixty-four million, six hundred sixty-two thousand, six hundred twenty-eight".