55471434218 has 16 divisors (see below), whose sum is σ = 84461516160. Its totient is φ = 27317717856.

The previous prime is 55471434217. The next prime is 55471434229. The reversal of 55471434218 is 81243417455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55471434217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013030 + ... + 1066382.

It is an arithmetic number, because the mean of its divisors is an integer number (5278844760).

Almost surely, 2^55471434218 is an apocalyptic number.

55471434218 is a deficient number, since it is larger than the sum of its proper divisors (28990081942).

55471434218 is a wasteful number, since it uses less digits than its factorization.

55471434218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61181.

The product of its digits is 537600, while the sum is 44.

The spelling of 55471434218 in words is "fifty-five billion, four hundred seventy-one million, four hundred thirty-four thousand, two hundred eighteen".