54091571 has 2 divisors, whose sum is σ = 54091572. Its totient is φ = 54091570.

The previous prime is 54091553. The next prime is 54091601. The reversal of 54091571 is 17519045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54091571 - 2⁶ = 54091507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54091511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27045785 + 27045786.

It is an arithmetic number, because the mean of its divisors is an integer number (27045786).

Almost surely, 2^54091571 is an apocalyptic number.

54091571 is a deficient number, since it is larger than the sum of its proper divisors (1).

54091571 is an equidigital number, since it uses as much as digits as its factorization.

54091571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 54091571 is about 7354.6972065477. The cubic root of 54091571 is about 378.1898465931.

The spelling of 54091571 in words is "fifty-four million, ninety-one thousand, five hundred seventy-one".