91853545 has 8 divisors (see below), whose sum is σ = 125970624. Its totient is φ = 62985264.

The previous prime is 91853521. The next prime is 91853569. The reversal of 91853545 is 54535819.

It is an interprime number because it is at equal distance from previous prime (91853521) and next prime (91853569).

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 91853545 - 2⁹ = 91853033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91853498 and 91853507.

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, 1312159 + ... + 1312228.

It is an arithmetic number, because the mean of its divisors is an integer number (15746328).

Almost surely, 2^91853545 is an apocalyptic number.

It is an amenable number.

91853545 is a deficient number, since it is larger than the sum of its proper divisors (34117079).

91853545 is a wasteful number, since it uses less digits than its factorization.

91853545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624399.

The product of its digits is 108000, while the sum is 40.

The square root of 91853545 is about 9584.0255112348. The cubic root of 91853545 is about 451.1960691425.

The spelling of 91853545 in words is "ninety-one million, eight hundred fifty-three thousand, five hundred forty-five".