91053105 has 96 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 38184960.

The previous prime is 91053101. The next prime is 91053121. The reversal of 91053105 is 50135019.

It is not a de Polignac number, because 91053105 - 2² = 91053101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91053101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 401002 + ... + 401228.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^91053105 is an apocalyptic number.

It is an amenable number.

91053105 is an abundant number, since it is smaller than the sum of its proper divisors (92346447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91053105 is a wasteful number, since it uses less digits than its factorization.

91053105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 91053105 is about 9542.1750665139. The cubic root of 91053105 is about 449.8816231836.

The spelling of 91053105 in words is "ninety-one million, fifty-three thousand, one hundred five".