53399720000 has 560 divisors, whose sum is σ = 156826549440. Its totient is φ = 17966080000.

The previous prime is 53399719987. The next prime is 53399720021. The reversal of 53399720000 is 2799335.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 905079971 + ... + 905080029.

Almost surely, 2^53399720000 is an apocalyptic number.

53399720000 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 53399720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78413274720).

53399720000 is an abundant number, since it is smaller than the sum of its proper divisors (103426829440).

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

53399720000 is an equidigital number, since it uses as much as digits as its factorization.

53399720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The spelling of 53399720000 in words is "fifty-three billion, three hundred ninety-nine million, seven hundred twenty thousand".