91056608 has 12 divisors (see below), whose sum is σ = 179267760. Its totient is φ = 45528288.

The previous prime is 91056571. The next prime is 91056611. The reversal of 91056608 is 80665019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422728 + ... + 1422791.

It is an arithmetic number, because the mean of its divisors is an integer number (14938980).

Almost surely, 2^91056608 is an apocalyptic number.

It is an amenable number.

91056608 is a deficient number, since it is larger than the sum of its proper divisors (88211152).

91056608 is a wasteful number, since it uses less digits than its factorization.

91056608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845529 (or 2845521 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 91056608 is about 9542.3586182872. The cubic root of 91056608 is about 449.8873923997.

The spelling of 91056608 in words is "ninety-one million, fifty-six thousand, six hundred eight".