91097050 has 48 divisors (see below), whose sum is σ = 195737472. Its totient is φ = 31174400.

The previous prime is 91097029. The next prime is 91097057. The reversal of 91097050 is 5079019.

It is not an unprimeable number, because it can be changed into a prime (91097057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4479 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (4077864).

Almost surely, 2^91097050 is an apocalyptic number.

91097050 is an abundant number, since it is smaller than the sum of its proper divisors (104640422).

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

91097050 is a wasteful number, since it uses less digits than its factorization.

91097050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 91097050 is about 9544.4774608147. The cubic root of 91097050 is about 449.9539870648.

The spelling of 91097050 in words is "ninety-one million, ninety-seven thousand, fifty".