91054995 has 32 divisors (see below), whose sum is σ = 149437440. Its totient is φ = 47328000.

The previous prime is 91054991. The next prime is 91055021. The reversal of 91054995 is 59945019.

It is a happy number.

It is not a de Polignac number, because 91054995 - 2² = 91054991 is a prime.

It is a super-2 number, since 2×91054995² = 16582024228900050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91054991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120870 + ... + 121620.

It is an arithmetic number, because the mean of its divisors is an integer number (4669920).

Almost surely, 2^91054995 is an apocalyptic number.

91054995 is a deficient number, since it is larger than the sum of its proper divisors (58382445).

91054995 is a wasteful number, since it uses less digits than its factorization.

91054995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 91054995 is about 9542.2741000246. The cubic root of 91054995 is about 449.8847359106.

The spelling of 91054995 in words is "ninety-one million, fifty-four thousand, nine hundred ninety-five".