91940050 has 24 divisors (see below), whose sum is σ = 180010800. Its totient is φ = 34840080.

The previous prime is 91940047. The next prime is 91940059. The reversal of 91940050 is 5004919.

It is not an unprimeable number, because it can be changed into a prime (91940059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47440 + ... + 49339.

It is an arithmetic number, because the mean of its divisors is an integer number (7500450).

Almost surely, 2^91940050 is an apocalyptic number.

91940050 is a deficient number, since it is larger than the sum of its proper divisors (88070750).

91940050 is a wasteful number, since it uses less digits than its factorization.

91940050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96810 (or 96805 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 91940050 is about 9588.5374275747. The cubic root of 91940050 is about 451.3376658176.

Adding to 91940050 its reverse (5004919), we get a palindrome (96944969).

The spelling of 91940050 in words is "ninety-one million, nine hundred forty thousand, fifty".