55304420709 has 4 divisors (see below), whose sum is σ = 73739227616. Its totient is φ = 36869613804.

The previous prime is 55304420707. The next prime is 55304420771. The reversal of 55304420709 is 90702440355.

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 not a de Polignac number, because 55304420709 - 2¹ = 55304420707 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 (55304420707) 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, 9217403449 + ... + 9217403454.

It is an arithmetic number, because the mean of its divisors is an integer number (18434806904).

Almost surely, 2^55304420709 is an apocalyptic number.

It is an amenable number.

55304420709 is a deficient number, since it is larger than the sum of its proper divisors (18434806907).

55304420709 is a wasteful number, since it uses less digits than its factorization.

55304420709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18434806906.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 55304420709 in words is "fifty-five billion, three hundred four million, four hundred twenty thousand, seven hundred nine".