52731200 has 42 divisors (see below), whose sum is σ = 129755646. Its totient is φ = 21091840.

The previous prime is 52731199. The next prime is 52731209. The reversal of 52731200 is 213725.

It can be written as a sum of positive squares in 3 ways, for example, as 15178816 + 37552384 = 3896^2 + 6128^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52731209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14879 + ... + 18078.

Almost surely, 2^52731200 is an apocalyptic number.

52731200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52731200 is an abundant number, since it is smaller than the sum of its proper divisors (77024446).

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

52731200 is a wasteful number, since it uses less digits than its factorization.

52731200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32979 (or 32964 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 52731200 is about 7261.6251624550. The cubic root of 52731200 is about 374.9924739230.

Adding to 52731200 its reverse (213725), we get a palindrome (52944925).

The spelling of 52731200 in words is "fifty-two million, seven hundred thirty-one thousand, two hundred".