54333209 has 24 divisors (see below), whose sum is σ = 65549088. Its totient is φ = 44876160.

The previous prime is 54333203. The next prime is 54333239. The reversal of 54333209 is 90233345.

It is not a de Polignac number, because 54333209 - 2⁴ = 54333193 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54333203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225329 + ... + 225569.

It is an arithmetic number, because the mean of its divisors is an integer number (2731212).

Almost surely, 2^54333209 is an apocalyptic number.

It is an amenable number.

54333209 is a deficient number, since it is larger than the sum of its proper divisors (11215879).

54333209 is a wasteful number, since it uses less digits than its factorization.

54333209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 54333209 is about 7371.1063620056. The cubic root of 54333209 is about 378.7521603060.

The spelling of 54333209 in words is "fifty-four million, three hundred thirty-three thousand, two hundred nine".