52415526056520 has 128 divisors (see below), whose sum is σ = 173240154967680. Its totient is φ = 12580984320000.

The previous prime is 52415526056473. The next prime is 52415526056527. The reversal of 52415526056520 is 2565062551425.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52415526056520.

It is not an unprimeable number, because it can be changed into a prime (52415526056527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196444561 + ... + 196711200.

It is an arithmetic number, because the mean of its divisors is an integer number (1353438710685).

Almost surely, 2^{52415526056520} is an apocalyptic number.

It is an amenable number.

52415526056520 is an abundant number, since it is smaller than the sum of its proper divisors (120824628911160).

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

52415526056520 is a wasteful number, since it uses less digits than its factorization.

52415526056520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393155887 (or 393155883 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 52415526056520 in words is "fifty-two trillion, four hundred fifteen billion, five hundred twenty-six million, fifty-six thousand, five hundred twenty".