54217498217 has 8 divisors (see below), whose sum is σ = 57408809472. Its totient is φ = 51026414400.

The previous prime is 54217498207. The next prime is 54217498261. The reversal of 54217498217 is 71289471245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54217498217 is a prime.

It is a super-2 number, since 2×54217498217² (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 (54217498207) 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, 823592 + ... + 886982.

It is an arithmetic number, because the mean of its divisors is an integer number (7176101184).

Almost surely, 2^54217498217 is an apocalyptic number.

It is an amenable number.

54217498217 is a deficient number, since it is larger than the sum of its proper divisors (3191311255).

54217498217 is a wasteful number, since it uses less digits than its factorization.

54217498217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113719.

The product of its digits is 1128960, while the sum is 50.

The spelling of 54217498217 in words is "fifty-four billion, two hundred seventeen million, four hundred ninety-eight thousand, two hundred seventeen".