90801275556 has 24 divisors (see below), whose sum is σ = 211878783424. Its totient is φ = 30265786080.

The previous prime is 90801275549. The next prime is 90801275569. The reversal of 90801275556 is 65557210809.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150666 + ... + 451998.

Almost surely, 2^90801275556 is an apocalyptic number.

It is a pronic number, being equal to 301332×301333.

It is an amenable number.

90801275556 is an abundant number, since it is smaller than the sum of its proper divisors (121077507868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90801275556 is a wasteful number, since it uses less digits than its factorization.

90801275556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326451 (or 326449 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 90801275556 in words is "ninety billion, eight hundred one million, two hundred seventy-five thousand, five hundred fifty-six".