54211917 has 12 divisors (see below), whose sum is σ = 73307904. Its totient is φ = 35635680.

The previous prime is 54211909. The next prime is 54211957. The reversal of 54211917 is 71911245.

It is not a de Polignac number, because 54211917 - 2³ = 54211909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54211957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14292 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (6108992).

Almost surely, 2^54211917 is an apocalyptic number.

It is an amenable number.

54211917 is a deficient number, since it is larger than the sum of its proper divisors (19095987).

54211917 is an equidigital number, since it uses as much as digits as its factorization.

54211917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3467 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 54211917 is about 7362.8742349710. The cubic root of 54211917 is about 378.4701115976.

The spelling of 54211917 in words is "fifty-four million, two hundred eleven thousand, nine hundred seventeen".