55541491199 has 4 divisors (see below), whose sum is σ = 56060570664. Its totient is φ = 55022411736.

The previous prime is 55541491193. The next prime is 55541491223. The reversal of 55541491199 is 99119414555.

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

It is a cyclic number.

It is not a de Polignac number, because 55541491199 - 2²⁴ = 55524713983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55541491199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541491193) 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, 259539572 + ... + 259539785.

It is an arithmetic number, because the mean of its divisors is an integer number (14015142666).

Almost surely, 2^55541491199 is an apocalyptic number.

55541491199 is a deficient number, since it is larger than the sum of its proper divisors (519079465).

55541491199 is a wasteful number, since it uses less digits than its factorization.

55541491199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519079464.

The product of its digits is 1458000, while the sum is 53.

The spelling of 55541491199 in words is "fifty-five billion, five hundred forty-one million, four hundred ninety-one thousand, one hundred ninety-nine".