91522064 has 10 divisors (see below), whose sum is σ = 177324030. Its totient is φ = 45761024.

The previous prime is 91522061. The next prime is 91522073. The reversal of 91522064 is 46022519.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88209664 + 3312400 = 9392^2 + 1820^2 .

It is not an unprimeable number, because it can be changed into a prime (91522061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860049 + ... + 2860080.

It is an arithmetic number, because the mean of its divisors is an integer number (17732403).

Almost surely, 2^91522064 is an apocalyptic number.

It is an amenable number.

91522064 is a deficient number, since it is larger than the sum of its proper divisors (85801966).

91522064 is a wasteful number, since it uses less digits than its factorization.

91522064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720137 (or 5720131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 91522064 is about 9566.7164690922. The cubic root of 91522064 is about 450.6526562564.

The spelling of 91522064 in words is "ninety-one million, five hundred twenty-two thousand, sixty-four".