54443749 has 2 divisors, whose sum is σ = 54443750. Its totient is φ = 54443748.

The previous prime is 54443743. The next prime is 54443771. The reversal of 54443749 is 94734445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33558849 + 20884900 = 5793^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 54443749 - 2⁷ = 54443621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54443743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221874 + 27221875.

It is an arithmetic number, because the mean of its divisors is an integer number (27221875).

Almost surely, 2^54443749 is an apocalyptic number.

It is an amenable number.

54443749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54443749 is an equidigital number, since it uses as much as digits as its factorization.

54443749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 54443749 is about 7378.6007481094. The cubic root of 54443749 is about 379.0088412805.

The spelling of 54443749 in words is "fifty-four million, four hundred forty-three thousand, seven hundred forty-nine".