55274919217 has 8 divisors (see below), whose sum is σ = 64515407616. Its totient is φ = 46370448672.

The previous prime is 55274919209. The next prime is 55274919221. The reversal of 55274919217 is 71291947255.

55274919217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55274919217 - 2³ = 55274919209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55274919247) 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, 84004108 + ... + 84004765.

It is an arithmetic number, because the mean of its divisors is an integer number (8064425952).

Almost surely, 2^55274919217 is an apocalyptic number.

It is an amenable number.

55274919217 is a deficient number, since it is larger than the sum of its proper divisors (9240488399).

55274919217 is a wasteful number, since it uses less digits than its factorization.

55274919217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168008927.

The product of its digits is 1587600, while the sum is 52.

The spelling of 55274919217 in words is "fifty-five billion, two hundred seventy-four million, nine hundred nineteen thousand, two hundred seventeen".