54369309 has 16 divisors (see below), whose sum is σ = 76348800. Its totient is φ = 34347456.

The previous prime is 54369307. The next prime is 54369311. The reversal of 54369309 is 90396345.

It is an interprime number because it is at equal distance from previous prime (54369307) and next prime (54369311).

It is not a de Polignac number, because 54369309 - 2¹ = 54369307 is a prime.

It is a super-2 number, since 2×54369309² = 5912043522274962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54369307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3907 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (4771800).

Almost surely, 2^54369309 is an apocalyptic number.

It is an amenable number.

54369309 is a deficient number, since it is larger than the sum of its proper divisors (21979491).

54369309 is a wasteful number, since it uses less digits than its factorization.

54369309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 54369309 is about 7373.5547058390. The cubic root of 54369309 is about 378.8360250741.

The spelling of 54369309 in words is "fifty-four million, three hundred sixty-nine thousand, three hundred nine".