90960556 has 12 divisors (see below), whose sum is σ = 159325992. Its totient is φ = 45438848.

The previous prime is 90960547. The next prime is 90960563. The reversal of 90960556 is 65506909.

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, 5125 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (13277166).

Almost surely, 2^90960556 is an apocalyptic number.

It is an amenable number.

90960556 is a deficient number, since it is larger than the sum of its proper divisors (68365436).

90960556 is a wasteful number, since it uses less digits than its factorization.

90960556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20720 (or 20718 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 90960556 is about 9537.3243627340. The cubic root of 90960556 is about 449.7291472959.

The spelling of 90960556 in words is "ninety million, nine hundred sixty thousand, five hundred fifty-six".