91045050546 has 16 divisors (see below), whose sum is σ = 182161736064. Its totient is φ = 30336411024.

The previous prime is 91045050541. The next prime is 91045050559. The reversal of 91045050546 is 64505054019.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91045050541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968261 + ... + 2998776.

It is an arithmetic number, because the mean of its divisors is an integer number (11385108504).

Almost surely, 2^91045050546 is an apocalyptic number.

91045050546 is an abundant number, since it is smaller than the sum of its proper divisors (91116685518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91045050546 is a wasteful number, since it uses less digits than its factorization.

91045050546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969585.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 91045050546 in words is "ninety-one billion, forty-five million, fifty thousand, five hundred forty-six".