52418220 has 48 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 13938880.

The previous prime is 52418189. The next prime is 52418227. The reversal of 52418220 is 2281425.

It is not an unprimeable number, because it can be changed into a prime (52418227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24847 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^52418220 is an apocalyptic number.

It is an amenable number.

52418220 is an abundant number, since it is smaller than the sum of its proper divisors (94765908).

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

52418220 is a wasteful number, since it uses less digits than its factorization.

52418220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 52418220 is about 7240.0428175529. The cubic root of 52418220 is about 374.2490929287.

Adding to 52418220 its reverse (2281425), we get a palindrome (54699645).

The spelling of 52418220 in words is "fifty-two million, four hundred eighteen thousand, two hundred twenty".