52450540064 has 24 divisors (see below), whose sum is σ = 111205232460. Its totient is φ = 24207941376.

The previous prime is 52450540033. The next prime is 52450540069. The reversal of 52450540064 is 46004505425.

It can be written as a sum of positive squares in 2 ways, for example, as 48881672464 + 3568867600 = 221092^2 + 59740^2 .

It is not an unprimeable number, because it can be changed into a prime (52450540069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63041099 + ... + 63041930.

Almost surely, 2^52450540064 is an apocalyptic number.

It is an amenable number.

52450540064 is an abundant number, since it is smaller than the sum of its proper divisors (58754692396).

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

52450540064 is a wasteful number, since it uses less digits than its factorization.

52450540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126083052 (or 126083044 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 52450540064 in words is "fifty-two billion, four hundred fifty million, five hundred forty thousand, sixty-four".