54771047 has 2 divisors, whose sum is σ = 54771048. Its totient is φ = 54771046.

The previous prime is 54771043. The next prime is 54771061. The reversal of 54771047 is 74017745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54771047 - 2² = 54771043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54770998 and 54771016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54771043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27385523 + 27385524.

It is an arithmetic number, because the mean of its divisors is an integer number (27385524).

Almost surely, 2^54771047 is an apocalyptic number.

54771047 is a deficient number, since it is larger than the sum of its proper divisors (1).

54771047 is an equidigital number, since it uses as much as digits as its factorization.

54771047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 54771047 is about 7400.7463812780. The cubic root of 54771047 is about 379.7668167725.

The spelling of 54771047 in words is "fifty-four million, seven hundred seventy-one thousand, forty-seven".