54689311 has 2 divisors, whose sum is σ = 54689312. Its totient is φ = 54689310.

The previous prime is 54689309. The next prime is 54689339. The reversal of 54689311 is 11398645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54689311 - 2¹ = 54689309 is a prime.

Together with 54689309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54689351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27344655 + 27344656.

It is an arithmetic number, because the mean of its divisors is an integer number (27344656).

Almost surely, 2^54689311 is an apocalyptic number.

54689311 is a deficient number, since it is larger than the sum of its proper divisors (1).

54689311 is an equidigital number, since it uses as much as digits as its factorization.

54689311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 54689311 is about 7395.2221738092. Note that the first 3 decimals coincide. The cubic root of 54689311 is about 379.5778113526.

The spelling of 54689311 in words is "fifty-four million, six hundred eighty-nine thousand, three hundred eleven".