53238999 has 16 divisors (see below), whose sum is σ = 78312960. Its totient is φ = 31901760.

The previous prime is 53238971. The next prime is 53239001. The reversal of 53238999 is 99983235.

It is not a de Polignac number, because 53238999 - 2⁹ = 53238487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53238919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6127 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (4894560).

Almost surely, 2^53238999 is an apocalyptic number.

53238999 is a deficient number, since it is larger than the sum of its proper divisors (25073961).

53238999 is a wasteful number, since it uses less digits than its factorization.

53238999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230.

The product of its digits is 524880, while the sum is 48.

The square root of 53238999 is about 7296.5059446286. The cubic root of 53238999 is about 376.1923505600.

The spelling of 53238999 in words is "fifty-three million, two hundred thirty-eight thousand, nine hundred ninety-nine".