52787272800 has 72 divisors (see below), whose sum is σ = 171822580776. Its totient is φ = 14076605440.

The previous prime is 52787272799. The next prime is 52787272829. The reversal of 52787272800 is 827278725.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52787272800.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10994949 + ... + 10999748.

It is an arithmetic number, because the mean of its divisors is an integer number (2386424733).

Almost surely, 2^52787272800 is an apocalyptic number.

52787272800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52787272800 is an abundant number, since it is smaller than the sum of its proper divisors (119035307976).

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

52787272800 is a wasteful number, since it uses less digits than its factorization.

52787272800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994720 (or 21994707 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 52787272800 in words is "fifty-two billion, seven hundred eighty-seven million, two hundred seventy-two thousand, eight hundred".