54278443 has 2 divisors, whose sum is σ = 54278444. Its totient is φ = 54278442.

The previous prime is 54278437. The next prime is 54278449. The reversal of 54278443 is 34487245.

It is a balanced prime because it is at equal distance from previous prime (54278437) and next prime (54278449).

It is a cyclic number.

It is not a de Polignac number, because 54278443 - 2¹⁷ = 54147371 is a prime.

It is a super-2 number, since 2×54278443² = 5892298749008498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54278449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27139221 + 27139222.

It is an arithmetic number, because the mean of its divisors is an integer number (27139222).

Almost surely, 2^54278443 is an apocalyptic number.

54278443 is a deficient number, since it is larger than the sum of its proper divisors (1).

54278443 is an equidigital number, since it uses as much as digits as its factorization.

54278443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 37.

The square root of 54278443 is about 7367.3905149653. The cubic root of 54278443 is about 378.6248611556.

The spelling of 54278443 in words is "fifty-four million, two hundred seventy-eight thousand, four hundred forty-three".