52509248 has 28 divisors (see below), whose sum is σ = 113672112. Its totient is φ = 23867520.

The previous prime is 52509241. The next prime is 52509251. The reversal of 52509248 is 84290525.

It is a happy number.

It is a super-2 number, since 2×52509248² = 5514442251051008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52509241) 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, 36590 + ... + 37997.

Almost surely, 2^52509248 is an apocalyptic number.

It is an amenable number.

52509248 is an abundant number, since it is smaller than the sum of its proper divisors (61162864).

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

52509248 is a wasteful number, since it uses less digits than its factorization.

52509248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74610 (or 74600 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52509248 is about 7246.3265176226. The cubic root of 52509248 is about 374.4656044484.

The spelling of 52509248 in words is "fifty-two million, five hundred nine thousand, two hundred forty-eight".