90995535 has 24 divisors (see below), whose sum is σ = 161967120. Its totient is φ = 48471840.

The previous prime is 90995519. The next prime is 90995561. The reversal of 90995535 is 53559909.

90995535 is a `hidden beast` number, since 9 + 0 + 99 + 553 + 5 = 666.

It is not a de Polignac number, because 90995535 - 2⁴ = 90995519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110425 + ... + 111245.

It is an arithmetic number, because the mean of its divisors is an integer number (6748630).

Almost surely, 2^90995535 is an apocalyptic number.

90995535 is a deficient number, since it is larger than the sum of its proper divisors (70971585).

90995535 is an frugal number, since it uses more digits than its factorization.

90995535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 273375, while the sum is 45.

The square root of 90995535 is about 9539.1579817089. The cubic root of 90995535 is about 449.7867878839.

Multiplying 90995535 by its product of nonzero digits (273375), we get a square (24875904380625 = 4987575²).

The spelling of 90995535 in words is "ninety million, nine hundred ninety-five thousand, five hundred thirty-five".