52225451664 has 80 divisors (see below), whose sum is σ = 146336258880. Its totient is φ = 15984824320.

The previous prime is 52225451609. The next prime is 52225451669. The reversal of 52225451664 is 46615452225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52225451669) 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 in 15 ways as a sum of consecutive naturals, for example, 747054 + ... + 813965.

It is an arithmetic number, because the mean of its divisors is an integer number (1829203236).

Almost surely, 2^52225451664 is an apocalyptic number.

It is an amenable number.

52225451664 is an abundant number, since it is smaller than the sum of its proper divisors (94110807216).

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

52225451664 is a wasteful number, since it uses less digits than its factorization.

52225451664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561088 (or 1561082 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The spelling of 52225451664 in words is "fifty-two billion, two hundred twenty-five million, four hundred fifty-one thousand, six hundred sixty-four".