56652207021 has 6 divisors (see below), whose sum is σ = 81830965710. Its totient is φ = 37768138008.

The previous prime is 56652206977. The next prime is 56652207149. The reversal of 56652207021 is 12070225665.

56652207021 is a `hidden beast` number, since 5 + 66 + 522 + 0 + 70 + 2 + 1 = 666.

56652207021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48369204900 + 8283002121 = 219930^2 + 91011^2 .

It is not a de Polignac number, because 56652207021 - 2¹³ = 56652198829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56652207221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3147344826 + ... + 3147344843.

It is an arithmetic number, because the mean of its divisors is an integer number (13638494285).

Almost surely, 2^56652207021 is an apocalyptic number.

It is an amenable number.

56652207021 is a deficient number, since it is larger than the sum of its proper divisors (25178758689).

56652207021 is a wasteful number, since it uses less digits than its factorization.

56652207021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294689675 (or 6294689672 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 56652207021 in words is "fifty-six billion, six hundred fifty-two million, two hundred seven thousand, twenty-one".