53255021200000 has 96 divisors (see below), whose sum is σ = 132608997910620. Its totient is φ = 21302008320000.

The previous prime is 53255021199983. The next prime is 53255021200039. The reversal of 53255021200000 is 212055235.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 783309962304 + 52471711237696 = 885048^2 + 7243736^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66168777 + ... + 66968776.

Almost surely, 2^{53255021200000} is an apocalyptic number.

53255021200000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53255021200000 is an abundant number, since it is smaller than the sum of its proper divisors (79353976710620).

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

53255021200000 is an frugal number, since it uses more digits than its factorization.

53255021200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133137592 (or 133137560 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 53255021200000 its reverse (212055235), we get a palindrome (53255233255235).

The spelling of 53255021200000 in words is "fifty-three trillion, two hundred fifty-five billion, twenty-one million, two hundred thousand".