54836439 has 40 divisors (see below), whose sum is σ = 89273472. Its totient is φ = 29882160.

The previous prime is 54836437. The next prime is 54836449. The reversal of 54836439 is 93463845.

It is not a de Polignac number, because 54836439 - 2¹ = 54836437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54836439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54836437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165504 + ... + 165834.

Almost surely, 2^54836439 is an apocalyptic number.

54836439 is a deficient number, since it is larger than the sum of its proper divisors (34437033).

54836439 is an equidigital number, since it uses as much as digits as its factorization.

54836439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 364 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 54836439 is about 7405.1629961804. The cubic root of 54836439 is about 379.9178931561.

The spelling of 54836439 in words is "fifty-four million, eight hundred thirty-six thousand, four hundred thirty-nine".