52870240 has 24 divisors (see below), whose sum is σ = 124906320. Its totient is φ = 21148032.

The previous prime is 52870231. The next prime is 52870243. The reversal of 52870240 is 4207825.

It is a junction number, because it is equal to n+sod(n) for n = 52870199 and 52870208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52870243) 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, 165060 + ... + 165379.

It is an arithmetic number, because the mean of its divisors is an integer number (5204430).

Almost surely, 2^52870240 is an apocalyptic number.

It is an amenable number.

52870240 is an abundant number, since it is smaller than the sum of its proper divisors (72036080).

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

52870240 is a wasteful number, since it uses less digits than its factorization.

52870240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330454 (or 330446 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 52870240 is about 7271.1924744157. The cubic root of 52870240 is about 375.3217741884.

The spelling of 52870240 in words is "fifty-two million, eight hundred seventy thousand, two hundred forty".