53321130 has 48 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 13600224.

The previous prime is 53321123. The next prime is 53321141. The reversal of 53321130 is 3112335.

53321130 = 84² + 85² + ... + 543².

53321130 is a `hidden beast` number, since 533 + 2 + 1 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10810 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^53321130 is an apocalyptic number.

53321130 is an abundant number, since it is smaller than the sum of its proper divisors (91347030).

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

53321130 is a wasteful number, since it uses less digits than its factorization.

53321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25795 (or 25792 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53321130 is about 7302.1318804853. The cubic root of 53321130 is about 376.3856999216.

Adding to 53321130 its reverse (3112335), we get a palindrome (56433465).

The spelling of 53321130 in words is "fifty-three million, three hundred twenty-one thousand, one hundred thirty".