54212117 has 2 divisors, whose sum is σ = 54212118. Its totient is φ = 54212116.

The previous prime is 54212113. The next prime is 54212143. The reversal of 54212117 is 71121245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 7890481 = 6806^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 54212117 - 2² = 54212113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54212092 and 54212101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54212113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27106058 + 27106059.

It is an arithmetic number, because the mean of its divisors is an integer number (27106059).

Almost surely, 2^54212117 is an apocalyptic number.

It is an amenable number.

54212117 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212117 is an equidigital number, since it uses as much as digits as its factorization.

54212117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 23.

The square root of 54212117 is about 7362.8878166111. The cubic root of 54212117 is about 378.4705770176.

The spelling of 54212117 in words is "fifty-four million, two hundred twelve thousand, one hundred seventeen".