53004399 has 16 divisors (see below), whose sum is σ = 82294272. Its totient is φ = 29716128.

The previous prime is 53004311. The next prime is 53004401. The reversal of 53004399 is 99340035.

53004399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53004399 - 2⁹ = 53003887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53084399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22699 + ... + 24924.

It is an arithmetic number, because the mean of its divisors is an integer number (5143392).

Almost surely, 2^53004399 is an apocalyptic number.

53004399 is a deficient number, since it is larger than the sum of its proper divisors (29289873).

53004399 is a wasteful number, since it uses less digits than its factorization.

53004399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47686.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 53004399 is about 7280.4120075721. The cubic root of 53004399 is about 375.6389675252.

The spelling of 53004399 in words is "fifty-three million, four thousand, three hundred ninety-nine".