54440231 has 4 divisors (see below), whose sum is σ = 54714000. Its totient is φ = 54166464.

The previous prime is 54440219. The next prime is 54440233. The reversal of 54440231 is 13204445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13204445 = 5 ⋅2640889.

It is a cyclic number.

It is not a de Polignac number, because 54440231 - 2⁶ = 54440167 is a prime.

It is a super-2 number, since 2×54440231² = 5927477502666722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54440197 and 54440206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440233) 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, 136586 + ... + 136983.

It is an arithmetic number, because the mean of its divisors is an integer number (13678500).

Almost surely, 2^54440231 is an apocalyptic number.

54440231 is a deficient number, since it is larger than the sum of its proper divisors (273769).

54440231 is a wasteful number, since it uses less digits than its factorization.

54440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273768.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 54440231 is about 7378.3623521754. The cubic root of 54440231 is about 379.0006776140. Note that the first 3 decimals are identical.

Adding to 54440231 its reverse (13204445), we get a palindrome (67644676).

The spelling of 54440231 in words is "fifty-four million, four hundred forty thousand, two hundred thirty-one".