52512800 has 72 divisors (see below), whose sum is σ = 131405652. Its totient is φ = 20480000.

The previous prime is 52512797. The next prime is 52512809. The reversal of 52512800 is 821525.

It can be written as a sum of positive squares in 6 ways, for example, as 23309584 + 29203216 = 4828^2 + 5404^2 .

It is not an unprimeable number, because it can be changed into a prime (52512809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32000 + ... + 33600.

Almost surely, 2^52512800 is an apocalyptic number.

52512800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52512800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65702826).

52512800 is an abundant number, since it is smaller than the sum of its proper divisors (78892852).

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

52512800 is a wasteful number, since it uses less digits than its factorization.

52512800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 52512800 is about 7246.5716031790. The cubic root of 52512800 is about 374.4740478616.

The spelling of 52512800 in words is "fifty-two million, five hundred twelve thousand, eight hundred".