52113800 has 24 divisors (see below), whose sum is σ = 121165050. Its totient is φ = 20845440.

The previous prime is 52113799. The next prime is 52113811. The reversal of 52113800 is 831125.

It can be written as a sum of positive squares in 3 ways, for example, as 26853124 + 25260676 = 5182^2 + 5026^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 130085 + ... + 130484.

Almost surely, 2^52113800 is an apocalyptic number.

52113800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52113800 is an abundant number, since it is smaller than the sum of its proper divisors (69051250).

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

52113800 is a wasteful number, since it uses less digits than its factorization.

52113800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260585 (or 260576 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 52113800 is about 7218.9888488624. The cubic root of 52113800 is about 373.5231992003.

Adding to 52113800 its reverse (831125), we get a palindrome (52944925).

The spelling of 52113800 in words is "fifty-two million, one hundred thirteen thousand, eight hundred".