55050312019 has 4 divisors (see below), whose sum is σ = 55062596296. Its totient is φ = 55038027744.

The previous prime is 55050312007. The next prime is 55050312041. The reversal of 55050312019 is 91021305055.

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 55050312019 - 2⁷ = 55050311891 is a prime.

It is a super-2 number, since 2×55050312019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050312059) 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, 6135414 + ... + 6144379.

It is an arithmetic number, because the mean of its divisors is an integer number (13765649074).

Almost surely, 2^55050312019 is an apocalyptic number.

55050312019 is a deficient number, since it is larger than the sum of its proper divisors (12284277).

55050312019 is a wasteful number, since it uses less digits than its factorization.

55050312019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284276.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 55050312019 in words is "fifty-five billion, fifty million, three hundred twelve thousand, nineteen".