54843399 has 36 divisors (see below), whose sum is σ = 88726456. Its totient is φ = 33697296.

The previous prime is 54843389. The next prime is 54843409. The reversal of 54843399 is 99334845.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54843389) and next prime (54843409).

It is not a de Polignac number, because 54843399 - 2¹² = 54839303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54843389) 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 35 ways as a sum of consecutive naturals, for example, 84972 + ... + 85614.

Almost surely, 2^54843399 is an apocalyptic number.

54843399 is a deficient number, since it is larger than the sum of its proper divisors (33883057).

54843399 is an frugal number, since it uses more digits than its factorization.

54843399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 659 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 54843399 is about 7405.6329236602. The cubic root of 54843399 is about 379.9339659033.

The spelling of 54843399 in words is "fifty-four million, eight hundred forty-three thousand, three hundred ninety-nine".