91555050352 has 40 divisors (see below), whose sum is σ = 181377597440. Its totient is φ = 44759183040.

The previous prime is 91555050319. The next prime is 91555050427. The reversal of 91555050352 is 25305055519.

It is a super-3 number, since 3×91555050352³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 221424 + ... + 481807.

It is an arithmetic number, because the mean of its divisors is an integer number (4534439936).

Almost surely, 2^91555050352 is an apocalyptic number.

It is an amenable number.

91555050352 is a deficient number, since it is larger than the sum of its proper divisors (89822547088).

91555050352 is a wasteful number, since it uses less digits than its factorization.

91555050352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703421 (or 703415 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 91555050352 in words is "ninety-one billion, five hundred fifty-five million, fifty thousand, three hundred fifty-two".