53086280 has 48 divisors (see below), whose sum is σ = 129355380. Its totient is φ = 19598592.

The previous prime is 53086259. The next prime is 53086283. The reversal of 53086280 is 8268035.

It can be written as a sum of positive squares in 6 ways, for example, as 484 + 53085796 = 22^2 + 7286^2 .

It is not an unprimeable number, because it can be changed into a prime (53086283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2834 + ... + 10686.

Almost surely, 2^53086280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53086280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64677690).

53086280 is an abundant number, since it is smaller than the sum of its proper divisors (76269100).

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

53086280 is a wasteful number, since it uses less digits than its factorization.

53086280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890 (or 7873 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53086280 is about 7286.0332143080. The cubic root of 53086280 is about 375.8322965717.

The spelling of 53086280 in words is "fifty-three million, eighty-six thousand, two hundred eighty".