545955500091 has 32 divisors (see below), whose sum is σ = 760586492160. Its totient is φ = 348075753984.

The previous prime is 545955500071. The next prime is 545955500099. The reversal of 545955500091 is 190005559545.

It is a de Polignac number, because none of the positive numbers 2^k-545955500091 is a prime.

It is a super-2 number, since 2×545955500091² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545955500091.

It is not an unprimeable number, because it can be changed into a prime (545955500099) 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, 1078540 + ... + 1501718.

It is an arithmetic number, because the mean of its divisors is an integer number (23768327880).

Almost surely, 2^545955500091 is an apocalyptic number.

545955500091 is a deficient number, since it is larger than the sum of its proper divisors (214630992069).

545955500091 is a wasteful number, since it uses less digits than its factorization.

545955500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423435.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The spelling of 545955500091 in words is "five hundred forty-five billion, nine hundred fifty-five million, five hundred thousand, ninety-one".