90854568 has 64 divisors (see below), whose sum is σ = 288432000. Its totient is φ = 25958016.

The previous prime is 90854567. The next prime is 90854591. The reversal of 90854568 is 86545809.

90854568 is a `hidden beast` number, since 9 + 0 + 85 + 4 + 568 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90854563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28533 + ... + 31556.

It is an arithmetic number, because the mean of its divisors is an integer number (4506750).

Almost surely, 2^90854568 is an apocalyptic number.

It is an amenable number.

90854568 is an abundant number, since it is smaller than the sum of its proper divisors (197577432).

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

90854568 is a wasteful number, since it uses less digits than its factorization.

90854568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111 (or 60101 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 90854568 is about 9531.7662581496. The cubic root of 90854568 is about 449.5544033537.

The spelling of 90854568 in words is "ninety million, eight hundred fifty-four thousand, five hundred sixty-eight".