54243331 has 2 divisors, whose sum is σ = 54243332. Its totient is φ = 54243330.

The previous prime is 54243323. The next prime is 54243353. The reversal of 54243331 is 13334245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54243331 - 2³ = 54243323 is a prime.

It is a super-2 number, since 2×54243331² = 5884677915951122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54243296 and 54243305.

It is not a weakly prime, because it can be changed into another prime (54243391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27121665 + 27121666.

It is an arithmetic number, because the mean of its divisors is an integer number (27121666).

Almost surely, 2^54243331 is an apocalyptic number.

54243331 is a deficient number, since it is larger than the sum of its proper divisors (1).

54243331 is an equidigital number, since it uses as much as digits as its factorization.

54243331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 54243331 is about 7365.0071961947. The cubic root of 54243331 is about 378.5432010891.

Adding to 54243331 its reverse (13334245), we get a palindrome (67577576).

The spelling of 54243331 in words is "fifty-four million, two hundred forty-three thousand, three hundred thirty-one".