52997518 has 24 divisors (see below), whose sum is σ = 92750400. Its totient is φ = 22645728.

The previous prime is 52997513. The next prime is 52997519. The reversal of 52997518 is 81579925.

52997518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52997513) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46378 + ... + 47506.

It is an arithmetic number, because the mean of its divisors is an integer number (3864600).

Almost surely, 2^52997518 is an apocalyptic number.

52997518 is a deficient number, since it is larger than the sum of its proper divisors (39752882).

52997518 is a wasteful number, since it uses less digits than its factorization.

52997518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1617 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 52997518 is about 7279.9394228249. The cubic root of 52997518 is about 375.6227117449.

The spelling of 52997518 in words is "fifty-two million, nine hundred ninety-seven thousand, five hundred eighteen".