91045555046 has 4 divisors (see below), whose sum is σ = 136568332572. Its totient is φ = 45522777522.

The previous prime is 91045555019. The next prime is 91045555057. The reversal of 91045555046 is 64055554019.

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

It is a junction number, because it is equal to n+sod(n) for n = 91045554988 and 91045555006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22761388760 + ... + 22761388763.

It is an arithmetic number, because the mean of its divisors is an integer number (34142083143).

Almost surely, 2^91045555046 is an apocalyptic number.

91045555046 is a deficient number, since it is larger than the sum of its proper divisors (45522777526).

91045555046 is a wasteful number, since it uses less digits than its factorization.

91045555046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45522777525.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 91045555046 in words is "ninety-one billion, forty-five million, five hundred fifty-five thousand, forty-six".