54644087 has 2 divisors, whose sum is σ = 54644088. Its totient is φ = 54644086.

The previous prime is 54644059. The next prime is 54644119. The reversal of 54644087 is 78044645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54644087 - 2²² = 50449783 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54644087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54644017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322043 + 27322044.

It is an arithmetic number, because the mean of its divisors is an integer number (27322044).

Almost surely, 2^54644087 is an apocalyptic number.

54644087 is a deficient number, since it is larger than the sum of its proper divisors (1).

54644087 is an equidigital number, since it uses as much as digits as its factorization.

54644087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 54644087 is about 7392.1638915814. The cubic root of 54644087 is about 379.4731549430.

The spelling of 54644087 in words is "fifty-four million, six hundred forty-four thousand, eighty-seven".