52246420 has 12 divisors (see below), whose sum is σ = 109717524. Its totient is φ = 20898560.

The previous prime is 52246417. The next prime is 52246421. The reversal of 52246420 is 2464225.

It can be written as a sum of positive squares in 2 ways, for example, as 40094224 + 12152196 = 6332^2 + 3486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52246421) 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, 1306141 + ... + 1306180.

It is an arithmetic number, because the mean of its divisors is an integer number (9143127).

Almost surely, 2^52246420 is an apocalyptic number.

It is an amenable number.

52246420 is an abundant number, since it is smaller than the sum of its proper divisors (57471104).

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

52246420 is a wasteful number, since it uses less digits than its factorization.

52246420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612330 (or 2612328 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 52246420 is about 7228.1685093805. The cubic root of 52246420 is about 373.8397800001.

The spelling of 52246420 in words is "fifty-two million, two hundred forty-six thousand, four hundred twenty".