54678269 has 4 divisors (see below), whose sum is σ = 55219740. Its totient is φ = 54136800.

The previous prime is 54678263. The next prime is 54678277. The reversal of 54678269 is 96287645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96287645 = 5 ⋅19257529.

It can be written as a sum of positive squares in 2 ways, for example, as 36445369 + 18232900 = 6037^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 54678269 - 2²⁴ = 37901053 is a prime.

It is a super-2 number, since 2×54678269² = 5979426201672722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54678263) 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, 270584 + ... + 270785.

It is an arithmetic number, because the mean of its divisors is an integer number (13804935).

Almost surely, 2^54678269 is an apocalyptic number.

It is an amenable number.

54678269 is a deficient number, since it is larger than the sum of its proper divisors (541471).

54678269 is a wasteful number, since it uses less digits than its factorization.

54678269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541470.

The product of its digits is 725760, while the sum is 47.

The square root of 54678269 is about 7394.4755730207. The cubic root of 54678269 is about 379.5522635187.

The spelling of 54678269 in words is "fifty-four million, six hundred seventy-eight thousand, two hundred sixty-nine".