53903399 has 16 divisors (see below), whose sum is σ = 62160000. Its totient is φ = 46228320.

The previous prime is 53903383. The next prime is 53903401. The reversal of 53903399 is 99330935.

It is a cyclic number.

It is not a de Polignac number, because 53903399 - 2⁴ = 53903383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53903999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72572 + ... + 73310.

It is an arithmetic number, because the mean of its divisors is an integer number (3885000).

Almost surely, 2^53903399 is an apocalyptic number.

53903399 is a deficient number, since it is larger than the sum of its proper divisors (8256601).

53903399 is a wasteful number, since it uses less digits than its factorization.

53903399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 98415, while the sum is 41.

The square root of 53903399 is about 7341.8934206375. The cubic root of 53903399 is about 377.7507922253.

The spelling of 53903399 in words is "fifty-three million, nine hundred three thousand, three hundred ninety-nine".