54451811 has 2 divisors, whose sum is σ = 54451812. Its totient is φ = 54451810.

The previous prime is 54451729. The next prime is 54451843. The reversal of 54451811 is 11815445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54451811 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (54451861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225905 + 27225906.

It is an arithmetic number, because the mean of its divisors is an integer number (27225906).

Almost surely, 2^54451811 is an apocalyptic number.

54451811 is a deficient number, since it is larger than the sum of its proper divisors (1).

54451811 is an equidigital number, since it uses as much as digits as its factorization.

54451811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 29.

The square root of 54451811 is about 7379.1470374292. The cubic root of 54451811 is about 379.0275481631.

The spelling of 54451811 in words is "fifty-four million, four hundred fifty-one thousand, eight hundred eleven".