53800439 has 16 divisors (see below), whose sum is σ = 68640000. Its totient is φ = 40944960.

The previous prime is 53800433. The next prime is 53800441. The reversal of 53800439 is 93400835.

It is not a de Polignac number, because 53800439 - 2¹⁶ = 53734903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53800433) 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, 4814 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (4290000).

Almost surely, 2^53800439 is an apocalyptic number.

53800439 is a deficient number, since it is larger than the sum of its proper divisors (14839561).

53800439 is a wasteful number, since it uses less digits than its factorization.

53800439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 53800439 is about 7334.8782539317. The cubic root of 53800439 is about 377.5101270619.

The spelling of 53800439 in words is "fifty-three million, eight hundred thousand, four hundred thirty-nine".