54172427 has 2 divisors, whose sum is σ = 54172428. Its totient is φ = 54172426.

The previous prime is 54172399. The next prime is 54172441. The reversal of 54172427 is 72427145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54172427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54172393 and 54172402.

It is not a weakly prime, because it can be changed into another prime (54172127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27086213 + 27086214.

It is an arithmetic number, because the mean of its divisors is an integer number (27086214).

Almost surely, 2^54172427 is an apocalyptic number.

54172427 is a deficient number, since it is larger than the sum of its proper divisors (1).

54172427 is an equidigital number, since it uses as much as digits as its factorization.

54172427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 32.

The square root of 54172427 is about 7360.1920491248. The cubic root of 54172427 is about 378.3781919852.

The spelling of 54172427 in words is "fifty-four million, one hundred seventy-two thousand, four hundred twenty-seven".