54671777 has 2 divisors, whose sum is σ = 54671778. Its totient is φ = 54671776.

The previous prime is 54671761. The next prime is 54671789. The reversal of 54671777 is 77717645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 9728161 = 6704^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 54671777 - 2⁴ = 54671761 is a prime.

It is not a weakly prime, because it can be changed into another prime (54671717) 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, 27335888 + 27335889.

It is an arithmetic number, because the mean of its divisors is an integer number (27335889).

Almost surely, 2^54671777 is an apocalyptic number.

It is an amenable number.

54671777 is a deficient number, since it is larger than the sum of its proper divisors (1).

54671777 is an equidigital number, since it uses as much as digits as its factorization.

54671777 is an odious number, because the sum of its binary digits is odd.

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

The square root of 54671777 is about 7394.0365836260. The cubic root of 54671777 is about 379.5372413970.

The spelling of 54671777 in words is "fifty-four million, six hundred seventy-one thousand, seven hundred seventy-seven".