90597056 has 42 divisors (see below), whose sum is σ = 197624700. Its totient is φ = 41176960.

The previous prime is 90597047. The next prime is 90597061. The reversal of 90597056 is 65079509.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1895 + ... + 13593.

It is an arithmetic number, because the mean of its divisors is an integer number (4705350).

Almost surely, 2^90597056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90597056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98812350).

90597056 is an abundant number, since it is smaller than the sum of its proper divisors (107027644).

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

90597056 is a wasteful number, since it uses less digits than its factorization.

90597056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11733 (or 11712 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 90597056 is about 9518.2485783888. The cubic root of 90597056 is about 449.1292726517.

The spelling of 90597056 in words is "ninety million, five hundred ninety-seven thousand, fifty-six".