54963791 has 2 divisors, whose sum is σ = 54963792. Its totient is φ = 54963790.

The previous prime is 54963781. The next prime is 54963793. The reversal of 54963791 is 19736945.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54963791 is a prime.

Together with 54963793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54963793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27481895 + 27481896.

It is an arithmetic number, because the mean of its divisors is an integer number (27481896).

Almost surely, 2^54963791 is an apocalyptic number.

54963791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54963791 is an equidigital number, since it uses as much as digits as its factorization.

54963791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 54963791 is about 7413.7568748914. The cubic root of 54963791 is about 380.2117725398.

The spelling of 54963791 in words is "fifty-four million, nine hundred sixty-three thousand, seven hundred ninety-one".