54000999 has 20 divisors (see below), whose sum is σ = 86875096. Its totient is φ = 33230736.

The previous prime is 54000971. The next prime is 54001037. The reversal of 54000999 is 99900045.

It is not a de Polignac number, because 54000999 - 2⁸ = 54000743 is a prime.

It is a super-2 number, since 2×54000999² = 5832215785996002, which contains 22 as substring.

It is a Duffinian number.

54000999 is a modest number, since divided by 999 gives 54 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54000949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24589 + ... + 26694.

Almost surely, 2^54000999 is an apocalyptic number.

54000999 is a deficient number, since it is larger than the sum of its proper divisors (32874097).

54000999 is a wasteful number, since it uses less digits than its factorization.

54000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51308 (or 51299 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 54000999 is about 7348.5372013755. The cubic root of 54000999 is about 377.9786458080.

It can be divided in two parts, 5 and 4000999, that added together give a palindrome (4001004).

The spelling of 54000999 in words is "fifty-four million, nine hundred ninety-nine", and thus it is an aban number.