91325455 has 8 divisors (see below), whose sum is σ = 118020672. Its totient is φ = 67440288.

The previous prime is 91325447. The next prime is 91325497. The reversal of 91325455 is 55452319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91325455 - 2³ = 91325447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91325455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702439 + ... + 702568.

It is an arithmetic number, because the mean of its divisors is an integer number (14752584).

Almost surely, 2^91325455 is an apocalyptic number.

91325455 is a deficient number, since it is larger than the sum of its proper divisors (26695217).

91325455 is a wasteful number, since it uses less digits than its factorization.

91325455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405025.

The product of its digits is 27000, while the sum is 34.

The square root of 91325455 is about 9556.4352663532. The cubic root of 91325455 is about 450.3297254217.

The spelling of 91325455 in words is "ninety-one million, three hundred twenty-five thousand, four hundred fifty-five".