54855767 has 2 divisors, whose sum is σ = 54855768. Its totient is φ = 54855766.

The previous prime is 54855763. The next prime is 54855809. The reversal of 54855767 is 76755845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54855767 - 2² = 54855763 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54855761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27427883 + 27427884.

It is an arithmetic number, because the mean of its divisors is an integer number (27427884).

Almost surely, 2^54855767 is an apocalyptic number.

54855767 is a deficient number, since it is larger than the sum of its proper divisors (1).

54855767 is an equidigital number, since it uses as much as digits as its factorization.

54855767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 54855767 is about 7406.4679166253. The cubic root of 54855767 is about 379.9625240050.

The spelling of 54855767 in words is "fifty-four million, eight hundred fifty-five thousand, seven hundred sixty-seven".