55055005549 has 4 divisors (see below), whose sum is σ = 57952637440. Its totient is φ = 52157373660.

The previous prime is 55055005519. The next prime is 55055005561. The reversal of 55055005549 is 94550055055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55055005549 - 2⁹ = 55055005037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055005519) 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 3 ways as a sum of consecutive naturals, for example, 1448815917 + ... + 1448815954.

It is an arithmetic number, because the mean of its divisors is an integer number (14488159360).

Almost surely, 2^55055005549 is an apocalyptic number.

It is an amenable number.

55055005549 is a deficient number, since it is larger than the sum of its proper divisors (2897631891).

55055005549 is a wasteful number, since it uses less digits than its factorization.

55055005549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897631890.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55055005549 in words is "fifty-five billion, fifty-five million, five thousand, five hundred forty-nine".