54969443 has 2 divisors, whose sum is σ = 54969444. Its totient is φ = 54969442.

The previous prime is 54969433. The next prime is 54969487. The reversal of 54969443 is 34496945.

It is a happy number.

It is an a-pointer prime, because the next prime (54969487) can be obtained adding 54969443 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54969443 - 2²⁴ = 38192227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54969394 and 54969403.

It is not a weakly prime, because it can be changed into another prime (54969403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27484721 + 27484722.

It is an arithmetic number, because the mean of its divisors is an integer number (27484722).

Almost surely, 2^54969443 is an apocalyptic number.

54969443 is a deficient number, since it is larger than the sum of its proper divisors (1).

54969443 is an equidigital number, since it uses as much as digits as its factorization.

54969443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 54969443 is about 7414.1380483506. The cubic root of 54969443 is about 380.2248046545.

The spelling of 54969443 in words is "fifty-four million, nine hundred sixty-nine thousand, four hundred forty-three".