90553749220 has 48 divisors (see below), whose sum is σ = 208318521600. Its totient is φ = 32790840320.

The previous prime is 90553749163. The next prime is 90553749263. The reversal of 90553749220 is 2294735509.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 808525 + ... + 913684.

It is an arithmetic number, because the mean of its divisors is an integer number (4339969200).

Almost surely, 2^90553749220 is an apocalyptic number.

It is an amenable number.

90553749220 is an abundant number, since it is smaller than the sum of its proper divisors (117764772380).

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

90553749220 is a wasteful number, since it uses less digits than its factorization.

90553749220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722468 (or 1722466 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 90553749220 in words is "ninety billion, five hundred fifty-three million, seven hundred forty-nine thousand, two hundred twenty".