54207971 has 2 divisors, whose sum is σ = 54207972. Its totient is φ = 54207970.

The previous prime is 54207929. The next prime is 54207977. The reversal of 54207971 is 17970245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54207971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54207977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27103985 + 27103986.

It is an arithmetic number, because the mean of its divisors is an integer number (27103986).

Almost surely, 2^54207971 is an apocalyptic number.

54207971 is a deficient number, since it is larger than the sum of its proper divisors (1).

54207971 is an equidigital number, since it uses as much as digits as its factorization.

54207971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 54207971 is about 7362.6062640888. The cubic root of 54207971 is about 378.4609286271.

The spelling of 54207971 in words is "fifty-four million, two hundred seven thousand, nine hundred seventy-one".