91412055 has 48 divisors (see below), whose sum is σ = 181756224. Its totient is φ = 41633280.

The previous prime is 91412047. The next prime is 91412071. The reversal of 91412055 is 55021419.

It is not a de Polignac number, because 91412055 - 2³ = 91412047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163837 + ... + 164393.

It is an arithmetic number, because the mean of its divisors is an integer number (3786588).

Almost surely, 2^91412055 is an apocalyptic number.

91412055 is a deficient number, since it is larger than the sum of its proper divisors (90344169).

91412055 is a wasteful number, since it uses less digits than its factorization.

91412055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 91412055 is about 9560.9651709438. The cubic root of 91412055 is about 450.4720232211.

The spelling of 91412055 in words is "ninety-one million, four hundred twelve thousand, fifty-five".