52993809 has 24 divisors (see below), whose sum is σ = 84332352. Its totient is φ = 31799520.

The previous prime is 52993763. The next prime is 52993819. The reversal of 52993809 is 90839925.

It is not a de Polignac number, because 52993809 - 2⁸ = 52993553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52993819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7599 + ... + 12795.

It is an arithmetic number, because the mean of its divisors is an integer number (3513848).

Almost surely, 2^52993809 is an apocalyptic number.

It is an amenable number.

52993809 is a deficient number, since it is larger than the sum of its proper divisors (31338543).

52993809 is a wasteful number, since it uses less digits than its factorization.

52993809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 52993809 is about 7279.6846772371. The cubic root of 52993809 is about 375.6139489626.

The spelling of 52993809 in words is "fifty-two million, nine hundred ninety-three thousand, eight hundred nine".