52247028 has 24 divisors (see below), whose sum is σ = 125843200. Its totient is φ = 16853760.

The previous prime is 52247023. The next prime is 52247077. The reversal of 52247028 is 82074225.

It is a junction number, because it is equal to n+sod(n) for n = 52246986 and 52247004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52247023) 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, 69853 + ... + 70596.

Almost surely, 2^52247028 is an apocalyptic number.

It is an amenable number.

52247028 is an abundant number, since it is smaller than the sum of its proper divisors (73596172).

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

52247028 is a wasteful number, since it uses less digits than its factorization.

52247028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140487 (or 140485 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 52247028 is about 7228.2105669384. The cubic root of 52247028 is about 373.8412301390.

The spelling of 52247028 in words is "fifty-two million, two hundred forty-seven thousand, twenty-eight".