54950850219 has 4 divisors (see below), whose sum is σ = 73267800296. Its totient is φ = 36633900144.

The previous prime is 54950850197. The next prime is 54950850221. The reversal of 54950850219 is 91205805945.

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

It is not a de Polignac number, because 54950850219 - 2³¹ = 52803366571 is a prime.

It is a super-2 number, since 2×54950850219² (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 (54950850239) 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, 9158475034 + ... + 9158475039.

It is an arithmetic number, because the mean of its divisors is an integer number (18316950074).

Almost surely, 2^54950850219 is an apocalyptic number.

54950850219 is a deficient number, since it is larger than the sum of its proper divisors (18316950077).

54950850219 is a wasteful number, since it uses less digits than its factorization.

54950850219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18316950076.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 54950850219 in words is "fifty-four billion, nine hundred fifty million, eight hundred fifty thousand, two hundred nineteen".