91954853 has 16 divisors (see below), whose sum is σ = 101191680. Its totient is φ = 83172096.

The previous prime is 91954847. The next prime is 91954861. The reversal of 91954853 is 35845919.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91954853 - 2¹⁸ = 91692709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91954823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188576 + ... + 189062.

It is an arithmetic number, because the mean of its divisors is an integer number (6324480).

Almost surely, 2^91954853 is an apocalyptic number.

It is an amenable number.

91954853 is a deficient number, since it is larger than the sum of its proper divisors (9236827).

91954853 is a wasteful number, since it uses less digits than its factorization.

91954853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its digits is 194400, while the sum is 44.

The square root of 91954853 is about 9589.3093077656. The cubic root of 91954853 is about 451.3618873725.

The spelling of 91954853 in words is "ninety-one million, nine hundred fifty-four thousand, eight hundred fifty-three".