90054811 has 16 divisors (see below), whose sum is σ = 113172480. Its totient is φ = 69612480.

The previous prime is 90054799. The next prime is 90054817. The reversal of 90054811 is 11845009.

It is a happy number.

It is not a de Polignac number, because 90054811 - 2⁵ = 90054779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90054811.

It is not an unprimeable number, because it can be changed into a prime (90054817) 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 15 ways as a sum of consecutive naturals, for example, 5175 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (7073280).

Almost surely, 2^90054811 is an apocalyptic number.

90054811 is a deficient number, since it is larger than the sum of its proper divisors (23117669).

90054811 is a wasteful number, since it uses less digits than its factorization.

90054811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 90054811 is about 9489.7213341594. The cubic root of 90054811 is about 448.2314303700.

The spelling of 90054811 in words is "ninety million, fifty-four thousand, eight hundred eleven".