90755 has 8 divisors (see below), whose sum is σ = 124512. Its totient is φ = 62208.

The previous prime is 90749. The next prime is 90787. The reversal of 90755 is 55709.

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 90755 - 2⁸ = 90499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (15564).

2⁹⁰⁷⁵⁵ is an apocalyptic number.

90755 is a deficient number, since it is larger than the sum of its proper divisors (33757).

90755 is a wasteful number, since it uses less digits than its factorization.

90755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 90755 is about 301.2557053402. The cubic root of 90755 is about 44.9390120313.

The spelling of 90755 in words is "ninety thousand, seven hundred fifty-five".