54443251 has 2 divisors, whose sum is σ = 54443252. Its totient is φ = 54443250.

The previous prime is 54443239. The next prime is 54443261. The reversal of 54443251 is 15234445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54443251 - 2⁵ = 54443219 is a prime.

It is not a weakly prime, because it can be changed into another prime (54443261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221625 + 27221626.

It is an arithmetic number, because the mean of its divisors is an integer number (27221626).

Almost surely, 2^54443251 is an apocalyptic number.

54443251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54443251 is an equidigital number, since it uses as much as digits as its factorization.

54443251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 54443251 is about 7378.5670017965. The cubic root of 54443251 is about 379.0076856720.

Adding to 54443251 its reverse (15234445), we get a palindrome (69677696).

The spelling of 54443251 in words is "fifty-four million, four hundred forty-three thousand, two hundred fifty-one".