52721005800 has 96 divisors (see below), whose sum is σ = 163472662080. Its totient is φ = 14055705600.

The previous prime is 52721005787. The next prime is 52721005837. The reversal of 52721005800 is 850012725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3804885 + ... + 3818715.

It is an arithmetic number, because the mean of its divisors is an integer number (1702840230).

Almost surely, 2^52721005800 is an apocalyptic number.

52721005800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52721005800 is an abundant number, since it is smaller than the sum of its proper divisors (110751656280).

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

52721005800 is a wasteful number, since it uses less digits than its factorization.

52721005800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20203 (or 20194 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 52721005800 in words is "fifty-two billion, seven hundred twenty-one million, five thousand, eight hundred".