52649393 has 4 divisors (see below), whose sum is σ = 52671600. Its totient is φ = 52627188.

The previous prime is 52649383. The next prime is 52649419. The reversal of 52649393 is 39394625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52649393 - 2⁸ = 52649137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52649393.

It is not an unprimeable number, because it can be changed into a prime (52649383) 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, 7055 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (13167900).

Almost surely, 2^52649393 is an apocalyptic number.

It is an amenable number.

52649393 is a deficient number, since it is larger than the sum of its proper divisors (22207).

52649393 is a wasteful number, since it uses less digits than its factorization.

52649393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22206.

The product of its digits is 174960, while the sum is 41.

The square root of 52649393 is about 7255.9901460793. The cubic root of 52649393 is about 374.7984528813.

The spelling of 52649393 in words is "fifty-two million, six hundred forty-nine thousand, three hundred ninety-three".