27550191033 has 12 divisors (see below), whose sum is σ = 39856235328. Its totient is φ = 18338402520.

The previous prime is 27550191013. The next prime is 27550191037. The reversal of 27550191033 is 33019105572.

It is not a de Polignac number, because 27550191033 - 2⁵ = 27550191001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27550191037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2359813 + ... + 2371458.

It is an arithmetic number, because the mean of its divisors is an integer number (3321352944).

Almost surely, 2^27550191033 is an apocalyptic number.

It is an amenable number.

27550191033 is a deficient number, since it is larger than the sum of its proper divisors (12306044295).

27550191033 is a wasteful number, since it uses less digits than its factorization.

27550191033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731924 (or 4731921 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The spelling of 27550191033 in words is "twenty-seven billion, five hundred fifty million, one hundred ninety-one thousand, thirty-three".