54663309 has 8 divisors (see below), whose sum is σ = 80982720. Its totient is φ = 36442188.

The previous prime is 54663281. The next prime is 54663331. The reversal of 54663309 is 90336645.

It is not a de Polignac number, because 54663309 - 2¹⁷ = 54532237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54663409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012257 + ... + 1012310.

It is an arithmetic number, because the mean of its divisors is an integer number (10122840).

Almost surely, 2^54663309 is an apocalyptic number.

It is an amenable number.

54663309 is a deficient number, since it is larger than the sum of its proper divisors (26319411).

54663309 is a wasteful number, since it uses less digits than its factorization.

54663309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024576 (or 2024570 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 54663309 is about 7393.4639378305. The cubic root of 54663309 is about 379.5176451356.

The spelling of 54663309 in words is "fifty-four million, six hundred sixty-three thousand, three hundred nine".