91359955 has 16 divisors (see below), whose sum is σ = 116360064. Its totient is φ = 68623360.

The previous prime is 91359953. The next prime is 91359959. The reversal of 91359955 is 55995319.

It is not a de Polignac number, because 91359955 - 2¹ = 91359953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91359953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43254 + ... + 45316.

It is an arithmetic number, because the mean of its divisors is an integer number (7272504).

Almost surely, 2^91359955 is an apocalyptic number.

91359955 is a deficient number, since it is larger than the sum of its proper divisors (25000109).

91359955 is a wasteful number, since it uses less digits than its factorization.

91359955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606.

The product of its digits is 273375, while the sum is 46.

The square root of 91359955 is about 9558.2401622893. The cubic root of 91359955 is about 450.3864252745.

The spelling of 91359955 in words is "ninety-one million, three hundred fifty-nine thousand, nine hundred fifty-five".