54145811 has 2 divisors, whose sum is σ = 54145812. Its totient is φ = 54145810.

The previous prime is 54145781. The next prime is 54145823. The reversal of 54145811 is 11854145.

54145811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54145811 is a prime.

It is not a weakly prime, because it can be changed into another prime (54145891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072905 + 27072906.

It is an arithmetic number, because the mean of its divisors is an integer number (27072906).

Almost surely, 2^54145811 is an apocalyptic number.

54145811 is a deficient number, since it is larger than the sum of its proper divisors (1).

54145811 is an equidigital number, since it uses as much as digits as its factorization.

54145811 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 54145811 is about 7358.3837219868. The cubic root of 54145811 is about 378.3162135685.

Adding to 54145811 its reverse (11854145), we get a palindrome (65999956).

The spelling of 54145811 in words is "fifty-four million, one hundred forty-five thousand, eight hundred eleven".