52503128 has 16 divisors (see below), whose sum is σ = 98626680. Its totient is φ = 26202688.

The previous prime is 52503109. The next prime is 52503149. The reversal of 52503128 is 82130525.

It is a junction number, because it is equal to n+sod(n) for n = 52503097 and 52503106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 10332.

Almost surely, 2^52503128 is an apocalyptic number.

It is an amenable number.

52503128 is a deficient number, since it is larger than the sum of its proper divisors (46123552).

52503128 is a wasteful number, since it uses less digits than its factorization.

52503128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226 (or 12222 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52503128 is about 7245.9042223866. The cubic root of 52503128 is about 374.4510557824.

The spelling of 52503128 in words is "fifty-two million, five hundred three thousand, one hundred twenty-eight".