52391002368 has 72 divisors (see below), whose sum is σ = 141116599008. Its totient is φ = 17253240832.

The previous prime is 52391002361. The next prime is 52391002409. The reversal of 52391002368 is 86320019325.

It is not an unprimeable number, because it can be changed into a prime (52391002361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347205 + ... + 474692.

It is an arithmetic number, because the mean of its divisors is an integer number (1959952764).

Almost surely, 2^52391002368 is an apocalyptic number.

It is an amenable number.

52391002368 is an abundant number, since it is smaller than the sum of its proper divisors (88725596640).

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

52391002368 is an equidigital number, since it uses as much as digits as its factorization.

52391002368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821999 (or 821985 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 52391002368 in words is "fifty-two billion, three hundred ninety-one million, two thousand, three hundred sixty-eight".