52258220 has 24 divisors (see below), whose sum is σ = 125420064. Its totient is φ = 17917056.

The previous prime is 52258207. The next prime is 52258229. The reversal of 52258220 is 2285225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52258220.

It is not an unprimeable number, because it can be changed into a prime (52258229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186497 + ... + 186776.

It is an arithmetic number, because the mean of its divisors is an integer number (5225836).

Almost surely, 2^52258220 is an apocalyptic number.

It is an amenable number.

52258220 is an abundant number, since it is smaller than the sum of its proper divisors (73161844).

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

52258220 is a wasteful number, since it uses less digits than its factorization.

52258220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373289 (or 373287 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 52258220 is about 7228.9847143288. The cubic root of 52258220 is about 373.8679221346.

The spelling of 52258220 in words is "fifty-two million, two hundred fifty-eight thousand, two hundred twenty".