54217117 has 4 divisors (see below), whose sum is σ = 54302080. Its totient is φ = 54132156.

The previous prime is 54217067. The next prime is 54217133. The reversal of 54217117 is 71171245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54217117 - 2¹¹ = 54215069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54217157) 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, 41517 + ... + 42802.

It is an arithmetic number, because the mean of its divisors is an integer number (13575520).

Almost surely, 2^54217117 is an apocalyptic number.

It is an amenable number.

54217117 is a deficient number, since it is larger than the sum of its proper divisors (84963).

54217117 is an equidigital number, since it uses as much as digits as its factorization.

54217117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84962.

The product of its digits is 1960, while the sum is 28.

The square root of 54217117 is about 7363.2273494712. The cubic root of 54217117 is about 378.4822121453.

The spelling of 54217117 in words is "fifty-four million, two hundred seventeen thousand, one hundred seventeen".