53015520000 has 720 divisors, whose sum is σ = 191372116320. Its totient is φ = 12976128000.

The previous prime is 53015519993. The next prime is 53015520001. The reversal of 53015520000 is 2551035.

It is not an unprimeable number, because it can be changed into a prime (53015520001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 595679956 + ... + 595680044.

It is an arithmetic number, because the mean of its divisors is an integer number (265794606).

Almost surely, 2^53015520000 is an apocalyptic number.

53015520000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53015520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95686058160).

53015520000 is an abundant number, since it is smaller than the sum of its proper divisors (138356596320).

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

53015520000 is an equidigital number, since it uses as much as digits as its factorization.

53015520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 53015520000 in words is "fifty-three billion, fifteen million, five hundred twenty thousand".