55850000219 has 16 divisors (see below), whose sum is σ = 61538523648. Its totient is φ = 50364411552.

The previous prime is 55850000209. The next prime is 55850000249. The reversal of 55850000219 is 91200005855.

It is not a de Polignac number, because 55850000219 - 2¹⁶ = 55849934683 is a prime.

It is a super-2 number, since 2×55850000219² (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 (55850000209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250664 + ... + 417770.

It is an arithmetic number, because the mean of its divisors is an integer number (3846157728).

Almost surely, 2^55850000219 is an apocalyptic number.

55850000219 is a deficient number, since it is larger than the sum of its proper divisors (5688523429).

55850000219 is a wasteful number, since it uses less digits than its factorization.

55850000219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167714.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 55850000219 in words is "fifty-five billion, eight hundred fifty million, two hundred nineteen", and thus it is an aban number.