90047201055 has 16 divisors (see below), whose sum is σ = 164657739264. Its totient is φ = 41164434720.

The previous prime is 90047201047. The next prime is 90047201081. The reversal of 90047201055 is 55010274009.

It is not a de Polignac number, because 90047201055 - 2³ = 90047201047 is a prime.

It is a super-2 number, since 2×90047201055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428796091 + ... + 428796300.

It is an arithmetic number, because the mean of its divisors is an integer number (10291108704).

Almost surely, 2^90047201055 is an apocalyptic number.

90047201055 is a deficient number, since it is larger than the sum of its proper divisors (74610538209).

90047201055 is a wasteful number, since it uses less digits than its factorization.

90047201055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857592406.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 90047201055 in words is "ninety billion, forty-seven million, two hundred one thousand, fifty-five".