45550996091 has 4 divisors (see below), whose sum is σ = 45572866152. Its totient is φ = 45529126032.

The previous prime is 45550996003. The next prime is 45550996201. The reversal of 45550996091 is 19069905554.

45550996091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45550996091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45550996291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10931906 + ... + 10936071.

It is an arithmetic number, because the mean of its divisors is an integer number (11393216538).

Almost surely, 2^45550996091 is an apocalyptic number.

45550996091 is a deficient number, since it is larger than the sum of its proper divisors (21870061).

45550996091 is a wasteful number, since it uses less digits than its factorization.

45550996091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870060.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 45550996091 in words is "forty-five billion, five hundred fifty million, nine hundred ninety-six thousand, ninety-one".