52905399 has 8 divisors (see below), whose sum is σ = 70973952. Its totient is φ = 35053560.

The previous prime is 52905383. The next prime is 52905403. The reversal of 52905399 is 99350925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52905399 - 2⁴ = 52905383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52905399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52905319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53607 + ... + 54584.

It is an arithmetic number, because the mean of its divisors is an integer number (8871744).

Almost surely, 2^52905399 is an apocalyptic number.

52905399 is a deficient number, since it is larger than the sum of its proper divisors (18068553).

52905399 is a wasteful number, since it uses less digits than its factorization.

52905399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108357.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 52905399 is about 7273.6097640718. The cubic root of 52905399 is about 375.4049527668.

The spelling of 52905399 in words is "fifty-two million, nine hundred five thousand, three hundred ninety-nine".