54172771 has 2 divisors, whose sum is σ = 54172772. Its totient is φ = 54172770.

The previous prime is 54172763. The next prime is 54172801. The reversal of 54172771 is 17727145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54172771 - 2³ = 54172763 is a prime.

It is not a weakly prime, because it can be changed into another prime (54172471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27086385 + 27086386.

It is an arithmetic number, because the mean of its divisors is an integer number (27086386).

Almost surely, 2^54172771 is an apocalyptic number.

54172771 is a deficient number, since it is larger than the sum of its proper divisors (1).

54172771 is an equidigital number, since it uses as much as digits as its factorization.

54172771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 34.

The square root of 54172771 is about 7360.2154180431. The cubic root of 54172771 is about 378.3789928958.

The spelling of 54172771 in words is "fifty-four million, one hundred seventy-two thousand, seven hundred seventy-one".