45559391 has 2 divisors, whose sum is σ = 45559392. Its totient is φ = 45559390.

The previous prime is 45559361. The next prime is 45559417. The reversal of 45559391 is 19395554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45559391 - 2¹⁰ = 45558367 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 (45559301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22779695 + 22779696.

It is an arithmetic number, because the mean of its divisors is an integer number (22779696).

Almost surely, 2^45559391 is an apocalyptic number.

45559391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45559391 is an equidigital number, since it uses as much as digits as its factorization.

45559391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 41.

The square root of 45559391 is about 6749.7696997749. The cubic root of 45559391 is about 357.1571126729.

The spelling of 45559391 in words is "forty-five million, five hundred fifty-nine thousand, three hundred ninety-one".