91484559 has 10 divisors (see below), whose sum is σ = 136662240. Its totient is φ = 60989652.

The previous prime is 91484557. The next prime is 91484587. The reversal of 91484559 is 95548419.

91484559 is a `hidden beast` number, since 9 + 14 + 84 + 559 = 666.

It is not a de Polignac number, because 91484559 - 2¹ = 91484557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91484551) 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 in 9 ways as a sum of consecutive naturals, for example, 564639 + ... + 564800.

It is an arithmetic number, because the mean of its divisors is an integer number (13666224).

Almost surely, 2^91484559 is an apocalyptic number.

91484559 is a deficient number, since it is larger than the sum of its proper divisors (45177681).

91484559 is a wasteful number, since it uses less digits than its factorization.

91484559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129451 (or 1129442 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 91484559 is about 9564.7560868012. The cubic root of 91484559 is about 450.5910899105.

The spelling of 91484559 in words is "ninety-one million, four hundred eighty-four thousand, five hundred fifty-nine".