52403865312820 has 96 divisors (see below), whose sum is σ = 126117979464960. Its totient is φ = 17917292789760.

The previous prime is 52403865312811. The next prime is 52403865312871. The reversal of 52403865312820 is 2821356830425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73861926 + ... + 74568034.

It is an arithmetic number, because the mean of its divisors is an integer number (1313728952760).

Almost surely, 2^{52403865312820} is an apocalyptic number.

It is an amenable number.

52403865312820 is an abundant number, since it is smaller than the sum of its proper divisors (73714114152140).

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

52403865312820 is a wasteful number, since it uses less digits than its factorization.

52403865312820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707593 (or 707591 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 52403865312820 in words is "fifty-two trillion, four hundred three billion, eight hundred sixty-five million, three hundred twelve thousand, eight hundred twenty".