52509448 has 16 divisors (see below), whose sum is σ = 98724780. Its totient is φ = 26182848.

The previous prime is 52509439. The next prime is 52509449. The reversal of 52509448 is 84490525.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 4318084 = 6942^2 + 2078^2 .

It is not an unprimeable number, because it can be changed into a prime (52509449) 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, 5815 + ... + 11782.

Almost surely, 2^52509448 is an apocalyptic number.

It is an amenable number.

52509448 is a deficient number, since it is larger than the sum of its proper divisors (46215332).

52509448 is a wasteful number, since it uses less digits than its factorization.

52509448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976 (or 17972 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52509448 is about 7246.3403177052. The cubic root of 52509448 is about 374.4660798760.

The spelling of 52509448 in words is "fifty-two million, five hundred nine thousand, four hundred forty-eight".