90555241928 has 16 divisors (see below), whose sum is σ = 169954512000. Its totient is φ = 45234038736.

The previous prime is 90555241901. The next prime is 90555241949. The reversal of 90555241928 is 82914255509.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5438948 + ... + 5455571.

It is an arithmetic number, because the mean of its divisors is an integer number (10622157000).

Almost surely, 2^90555241928 is an apocalyptic number.

It is an amenable number.

90555241928 is a deficient number, since it is larger than the sum of its proper divisors (79399270072).

90555241928 is a wasteful number, since it uses less digits than its factorization.

90555241928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895564 (or 10895560 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 90555241928 in words is "ninety billion, five hundred fifty-five million, two hundred forty-one thousand, nine hundred twenty-eight".