52968939 has 4 divisors (see below), whose sum is σ = 70625256. Its totient is φ = 35312624.

The previous prime is 52968919. The next prime is 52968983. The reversal of 52968939 is 93986925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52968939 - 2⁵ = 52968907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52968891 and 52968900.

It is not an unprimeable number, because it can be changed into a prime (52968919) 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, 8828154 + ... + 8828159.

It is an arithmetic number, because the mean of its divisors is an integer number (17656314).

Almost surely, 2^52968939 is an apocalyptic number.

52968939 is a deficient number, since it is larger than the sum of its proper divisors (17656317).

52968939 is a wasteful number, since it uses less digits than its factorization.

52968939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656316.

The product of its digits is 1049760, while the sum is 51.

The square root of 52968939 is about 7277.9762983950. The cubic root of 52968939 is about 375.5551812135. Note that the first 3 decimals are identical.

The spelling of 52968939 in words is "fifty-two million, nine hundred sixty-eight thousand, nine hundred thirty-nine".