52130180 has 12 divisors (see below), whose sum is σ = 109473420. Its totient is φ = 20852064.

The previous prime is 52130179. The next prime is 52130201. The reversal of 52130180 is 8103125.

It can be written as a sum of positive squares in 2 ways, for example, as 13017664 + 39112516 = 3608^2 + 6254^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2606509 = 52130180 / (5 + 2 + 1 + 3 + 0 + 1 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303235 + ... + 1303274.

It is an arithmetic number, because the mean of its divisors is an integer number (9122785).

Almost surely, 2^52130180 is an apocalyptic number.

It is an amenable number.

52130180 is an abundant number, since it is smaller than the sum of its proper divisors (57343240).

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

52130180 is a wasteful number, since it uses less digits than its factorization.

52130180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606518 (or 2606516 counting only the distinct ones).

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

The square root of 52130180 is about 7220.1232676458. The cubic root of 52130180 is about 373.5623293929.

It can be divided in two parts, 52 and 130180, that multiplied together give a triangular number (6769360 = T₃₆₇₉).

The spelling of 52130180 in words is "fifty-two million, one hundred thirty thousand, one hundred eighty".