54123617 has 2 divisors, whose sum is σ = 54123618. Its totient is φ = 54123616.

The previous prime is 54123593. The next prime is 54123677. The reversal of 54123617 is 71632145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 13278736 = 6391^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 54123617 - 2⁸ = 54123361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54123617.

It is not a weakly prime, because it can be changed into another prime (54123677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061808 + 27061809.

It is an arithmetic number, because the mean of its divisors is an integer number (27061809).

Almost surely, 2^54123617 is an apocalyptic number.

It is an amenable number.

54123617 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123617 is an equidigital number, since it uses as much as digits as its factorization.

54123617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 54123617 is about 7356.8754916744. The cubic root of 54123617 is about 378.2645167561.

The spelling of 54123617 in words is "fifty-four million, one hundred twenty-three thousand, six hundred seventeen".