52813120 has 28 divisors (see below), whose sum is σ = 125762004. Its totient is φ = 21125120.

The previous prime is 52813109. The next prime is 52813121. The reversal of 52813120 is 2131825.

It can be written as a sum of positive squares in 2 ways, for example, as 34012224 + 18800896 = 5832^2 + 4336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52813091 and 52813100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82201 + ... + 82840.

Almost surely, 2^52813120 is an apocalyptic number.

It is an amenable number.

52813120 is an abundant number, since it is smaller than the sum of its proper divisors (72948884).

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

52813120 is a wasteful number, since it uses less digits than its factorization.

52813120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165058 (or 165048 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52813120 is about 7267.2635840459. The cubic root of 52813120 is about 375.1865619851.

Adding to 52813120 its reverse (2131825), we get a palindrome (54944945).

The spelling of 52813120 in words is "fifty-two million, eight hundred thirteen thousand, one hundred twenty".