54771767 has 2 divisors, whose sum is σ = 54771768. Its totient is φ = 54771766.

The previous prime is 54771751. The next prime is 54771791. The reversal of 54771767 is 76717745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54771767 - 2⁴ = 54771751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54771797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27385883 + 27385884.

It is an arithmetic number, because the mean of its divisors is an integer number (27385884).

Almost surely, 2^54771767 is an apocalyptic number.

54771767 is a deficient number, since it is larger than the sum of its proper divisors (1).

54771767 is an equidigital number, since it uses as much as digits as its factorization.

54771767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288120, while the sum is 44.

The square root of 54771767 is about 7400.7950248605. The cubic root of 54771767 is about 379.7684808567.

The spelling of 54771767 in words is "fifty-four million, seven hundred seventy-one thousand, seven hundred sixty-seven".