52920844400 has 60 divisors (see below), whose sum is σ = 133834049400. Its totient is φ = 20054211840.

The previous prime is 52920844397. The next prime is 52920844421. The reversal of 52920844400 is 444802925.

It is a happy number.

It is a super-2 number, since 2×52920844400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3474035 + ... + 3489234.

It is an arithmetic number, because the mean of its divisors is an integer number (2230567490).

Almost surely, 2^52920844400 is an apocalyptic number.

52920844400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52920844400 is an abundant number, since it is smaller than the sum of its proper divisors (80913205000).

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

52920844400 is a wasteful number, since it uses less digits than its factorization.

52920844400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963306 (or 6963295 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 52920844400 in words is "fifty-two billion, nine hundred twenty million, eight hundred forty-four thousand, four hundred".