53399363 has 4 divisors (see below), whose sum is σ = 56540520. Its totient is φ = 50258208.

The previous prime is 53399351. The next prime is 53399383. The reversal of 53399363 is 36399335.

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 53399363 - 2⁴ = 53399347 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 53399363.

It is not an unprimeable number, because it can be changed into a prime (53399303) 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, 1570553 + ... + 1570586.

It is an arithmetic number, because the mean of its divisors is an integer number (14135130).

Almost surely, 2^53399363 is an apocalyptic number.

53399363 is a deficient number, since it is larger than the sum of its proper divisors (3141157).

53399363 is a wasteful number, since it uses less digits than its factorization.

53399363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141156.

The product of its digits is 196830, while the sum is 41.

The square root of 53399363 is about 7307.4867772716. The cubic root of 53399363 is about 376.5696882279.

The spelling of 53399363 in words is "fifty-three million, three hundred ninety-nine thousand, three hundred sixty-three".