91361056 has 12 divisors (see below), whose sum is σ = 179867142. Its totient is φ = 45680512.

The previous prime is 91361047. The next prime is 91361057. The reversal of 91361056 is 65016319.

It can be written as a sum of positive squares in only one way, i.e., 65351056 + 26010000 = 8084^2 + 5100^2 .

It is not an unprimeable number, because it can be changed into a prime (91361057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427485 + ... + 1427548.

Almost surely, 2^91361056 is an apocalyptic number.

It is an amenable number.

91361056 is a deficient number, since it is larger than the sum of its proper divisors (88506086).

91361056 is a wasteful number, since it uses less digits than its factorization.

91361056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855043 (or 2855035 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 91361056 is about 9558.2977563999. The cubic root of 91361056 is about 450.3882345043.

The spelling of 91361056 in words is "ninety-one million, three hundred sixty-one thousand, fifty-six".