54612909 has 12 divisors (see below), whose sum is σ = 84953596. Its totient is φ = 33607872.

The previous prime is 54612893. The next prime is 54612911. The reversal of 54612909 is 90921645.

54612909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30140100 + 24472809 = 5490^2 + 4947^2 .

It is not a de Polignac number, because 54612909 - 2⁴ = 54612893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54612989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233272 + ... + 233505.

Almost surely, 2^54612909 is an apocalyptic number.

It is an amenable number.

54612909 is a deficient number, since it is larger than the sum of its proper divisors (30340687).

54612909 is a wasteful number, since it uses less digits than its factorization.

54612909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466796 (or 466793 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 54612909 is about 7390.0547359272. The cubic root of 54612909 is about 379.4009698537.

The spelling of 54612909 in words is "fifty-four million, six hundred twelve thousand, nine hundred nine".