54275309 has 4 divisors (see below), whose sum is σ = 59209440. Its totient is φ = 49341180.

The previous prime is 54275303. The next prime is 54275329. The reversal of 54275309 is 90357245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54275309 - 2¹² = 54271213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54275303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467049 + ... + 2467070.

It is an arithmetic number, because the mean of its divisors is an integer number (14802360).

Almost surely, 2^54275309 is an apocalyptic number.

It is an amenable number.

54275309 is a deficient number, since it is larger than the sum of its proper divisors (4934131).

54275309 is a wasteful number, since it uses less digits than its factorization.

54275309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934130.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 54275309 is about 7367.1778178621. The cubic root of 54275309 is about 378.6175738356.

The spelling of 54275309 in words is "fifty-four million, two hundred seventy-five thousand, three hundred nine".