54788288677 has 2 divisors, whose sum is σ = 54788288678. Its totient is φ = 54788288676.

The previous prime is 54788288671. The next prime is 54788288747. The reversal of 54788288677 is 77688288745.

It is an a-pointer prime, because the next prime (54788288747) can be obtained adding 54788288677 to its sum of digits (70).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46014969121 + 8773319556 = 214511^2 + 93666^2 .

It is a cyclic number.

It is not a de Polignac number, because 54788288677 - 2³ = 54788288669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54788288671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27394144338 + 27394144339.

It is an arithmetic number, because the mean of its divisors is an integer number (27394144339).

Almost surely, 2^54788288677 is an apocalyptic number.

It is an amenable number.

54788288677 is a deficient number, since it is larger than the sum of its proper divisors (1).

54788288677 is an equidigital number, since it uses as much as digits as its factorization.

54788288677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 337182720, while the sum is 70.

The spelling of 54788288677 in words is "fifty-four billion, seven hundred eighty-eight million, two hundred eighty-eight thousand, six hundred seventy-seven".