90360855 has 48 divisors (see below), whose sum is σ = 170797536. Its totient is φ = 43925760.

The previous prime is 90360847. The next prime is 90360857. The reversal of 90360855 is 55806309.

It is not a de Polignac number, because 90360855 - 2³ = 90360847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90360857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47625 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (3558282).

Almost surely, 2^90360855 is an apocalyptic number.

90360855 is a deficient number, since it is larger than the sum of its proper divisors (80436681).

90360855 is a wasteful number, since it uses less digits than its factorization.

90360855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 90360855 is about 9505.8326831478. The cubic root of 90360855 is about 448.7386156954.

The spelling of 90360855 in words is "ninety million, three hundred sixty thousand, eight hundred fifty-five".