52248420 has 72 divisors (see below), whose sum is σ = 181132224. Its totient is φ = 11942208.

The previous prime is 52248419. The next prime is 52248431. The reversal of 52248420 is 2484225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19474 + ... + 21993.

Almost surely, 2^52248420 is an apocalyptic number.

It is an amenable number.

52248420 is an abundant number, since it is smaller than the sum of its proper divisors (128883804).

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

52248420 is a wasteful number, since it uses less digits than its factorization.

52248420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489 (or 41484 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 52248420 is about 7228.3068556890. The cubic root of 52248420 is about 373.8445501516.

The spelling of 52248420 in words is "fifty-two million, two hundred forty-eight thousand, four hundred twenty".