91552799 has 4 divisors (see below), whose sum is σ = 98595336. Its totient is φ = 84510264.

The previous prime is 91552793. The next prime is 91552801. The reversal of 91552799 is 99725519.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91552799 - 2⁸ = 91552543 is a prime.

It is a super-3 number, since 3×91552799³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91552793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3521249 + ... + 3521274.

It is an arithmetic number, because the mean of its divisors is an integer number (24648834).

Almost surely, 2^91552799 is an apocalyptic number.

91552799 is a deficient number, since it is larger than the sum of its proper divisors (7042537).

91552799 is a wasteful number, since it uses less digits than its factorization.

91552799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042536.

The product of its digits is 255150, while the sum is 47.

The square root of 91552799 is about 9568.3226847761. The cubic root of 91552799 is about 450.7030967680.

The spelling of 91552799 in words is "ninety-one million, five hundred fifty-two thousand, seven hundred ninety-nine".