54222617 has 2 divisors, whose sum is σ = 54222618. Its totient is φ = 54222616.

The previous prime is 54222611. The next prime is 54222659. The reversal of 54222617 is 71622245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 22458121 = 5636^2 + 4739^2 .

It is a cyclic number.

It is not a de Polignac number, because 54222617 - 2⁴ = 54222601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54222617.

It is not a weakly prime, because it can be changed into another prime (54222611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27111308 + 27111309.

It is an arithmetic number, because the mean of its divisors is an integer number (27111309).

Almost surely, 2^54222617 is an apocalyptic number.

It is an amenable number.

54222617 is a deficient number, since it is larger than the sum of its proper divisors (1).

54222617 is an equidigital number, since it uses as much as digits as its factorization.

54222617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 54222617 is about 7363.6008175349. The cubic root of 54222617 is about 378.4950099595.

The spelling of 54222617 in words is "fifty-four million, two hundred twenty-two thousand, six hundred seventeen".