52721955200 has 48 divisors (see below), whose sum is σ = 130239712860. Its totient is φ = 21088780800.

The previous prime is 52721955197. The next prime is 52721955203. The reversal of 52721955200 is 255912725.

It is an interprime number because it is at equal distance from previous prime (52721955197) and next prime (52721955203).

It is a super-2 number, since 2×52721955200² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52721955203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8234606 + ... + 8241005.

Almost surely, 2^52721955200 is an apocalyptic number.

52721955200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52721955200 is an abundant number, since it is smaller than the sum of its proper divisors (77517757660).

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

52721955200 is a wasteful number, since it uses less digits than its factorization.

52721955200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475635 (or 16475618 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 52721955200 in words is "fifty-two billion, seven hundred twenty-one million, nine hundred fifty-five thousand, two hundred".