90055061089 has 16 divisors (see below), whose sum is σ = 103896432640. Its totient is φ = 76458219840.

The previous prime is 90055061081. The next prime is 90055061147. The reversal of 90055061089 is 98016055009.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90055061089 - 2³ = 90055061081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90055061081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717359 + ... + 2750299.

It is an arithmetic number, because the mean of its divisors is an integer number (6493527040).

Almost surely, 2^90055061089 is an apocalyptic number.

It is an amenable number.

90055061089 is a deficient number, since it is larger than the sum of its proper divisors (13841371551).

90055061089 is a wasteful number, since it uses less digits than its factorization.

90055061089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36640.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 90055061089 in words is "ninety billion, fifty-five million, sixty-one thousand, eighty-nine".