54691811 has 2 divisors, whose sum is σ = 54691812. Its totient is φ = 54691810.

The previous prime is 54691799. The next prime is 54691831. The reversal of 54691811 is 11819645.

54691811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54691811 - 2²² = 50497507 is a prime.

It is a Sophie Germain prime.

It is equal to p_3264974 and since 54691811 and 3264974 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54691831) 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, 27345905 + 27345906.

It is an arithmetic number, because the mean of its divisors is an integer number (27345906).

Almost surely, 2^54691811 is an apocalyptic number.

54691811 is a deficient number, since it is larger than the sum of its proper divisors (1).

54691811 is an equidigital number, since it uses as much as digits as its factorization.

54691811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 54691811 is about 7395.3911999299. The cubic root of 54691811 is about 379.5835951158.

The spelling of 54691811 in words is "fifty-four million, six hundred ninety-one thousand, eight hundred eleven".