52405311504 has 80 divisors (see below), whose sum is σ = 166622029952. Its totient is φ = 13821179904.

The previous prime is 52405311451. The next prime is 52405311557. The reversal of 52405311504 is 40511350425.

It is an interprime number because it is at equal distance from previous prime (52405311451) and next prime (52405311557).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5994409 + ... + 6003144.

Almost surely, 2^52405311504 is an apocalyptic number.

It is an amenable number.

52405311504 is an abundant number, since it is smaller than the sum of its proper divisors (114216718448).

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

52405311504 is a wasteful number, since it uses less digits than its factorization.

52405311504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997584 (or 11997578 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 52405311504 its reverse (40511350425), we get a palindrome (92916661929).

The spelling of 52405311504 in words is "fifty-two billion, four hundred five million, three hundred eleven thousand, five hundred four".