52991325 has 36 divisors (see below), whose sum is σ = 96952128. Its totient is φ = 27655200.

The previous prime is 52991317. The next prime is 52991353. The reversal of 52991325 is 52319925.

It is a happy number.

52991325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52991325 - 2³ = 52991317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52991325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8070 + ... + 13080.

Almost surely, 2^52991325 is an apocalyptic number.

It is an amenable number.

52991325 is a deficient number, since it is larger than the sum of its proper divisors (43960803).

52991325 is a wasteful number, since it uses less digits than its factorization.

52991325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5066 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 52991325 is about 7279.5140634523. The cubic root of 52991325 is about 375.6080801033.

The spelling of 52991325 in words is "fifty-two million, nine hundred ninety-one thousand, three hundred twenty-five".