52451502520 has 64 divisors (see below), whose sum is σ = 118684621440. Its totient is φ = 20861904000.

The previous prime is 52451502473. The next prime is 52451502533. The reversal of 52451502520 is 2520515425.

It is a happy number.

52451502520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 12244299 + ... + 12248581.

It is an arithmetic number, because the mean of its divisors is an integer number (1854447210).

Almost surely, 2^52451502520 is an apocalyptic number.

It is an amenable number.

52451502520 is an abundant number, since it is smaller than the sum of its proper divisors (66233118920).

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

52451502520 is a wasteful number, since it uses less digits than its factorization.

52451502520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956 (or 5952 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 52451502520 in words is "fifty-two billion, four hundred fifty-one million, five hundred two thousand, five hundred twenty".