53112400000 has 192 divisors, whose sum is σ = 144288889920. Its totient is φ = 19312000000.

The previous prime is 53112399973. The next prime is 53112400039. The reversal of 53112400000 is 421135.

53112400000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4393965 + ... + 4406035.

It is an arithmetic number, because the mean of its divisors is an integer number (751504635).

Almost surely, 2^53112400000 is an apocalyptic number.

53112400000 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 53112400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72144444960).

53112400000 is an abundant number, since it is smaller than the sum of its proper divisors (91176489920).

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

53112400000 is an equidigital number, since it uses as much as digits as its factorization.

53112400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 53112400000 its reverse (421135), we get a palindrome (53112821135).

The spelling of 53112400000 in words is "fifty-three billion, one hundred twelve million, four hundred thousand".