45510050091 has 32 divisors (see below), whose sum is σ = 67229429760. Its totient is φ = 27152602400.

The previous prime is 45510050087. The next prime is 45510050101. The reversal of 45510050091 is 19005001554.

It is not a de Polignac number, because 45510050091 - 2² = 45510050087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45510050011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586050 + ... + 1614488.

It is an arithmetic number, because the mean of its divisors is an integer number (2100919680).

Almost surely, 2^45510050091 is an apocalyptic number.

45510050091 is a deficient number, since it is larger than the sum of its proper divisors (21719379669).

45510050091 is a wasteful number, since it uses less digits than its factorization.

45510050091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29207.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 45510050091 in words is "forty-five billion, five hundred ten million, fifty thousand, ninety-one".