54894707779 has 2 divisors, whose sum is σ = 54894707780. Its totient is φ = 54894707778.

The previous prime is 54894707737. The next prime is 54894707809. The reversal of 54894707779 is 97770749845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54894707779 is a prime.

It is a super-2 number, since 2×54894707779² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54894707719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27447353889 + 27447353890.

It is an arithmetic number, because the mean of its divisors is an integer number (27447353890).

Almost surely, 2^54894707779 is an apocalyptic number.

54894707779 is a deficient number, since it is larger than the sum of its proper divisors (1).

54894707779 is an equidigital number, since it uses as much as digits as its factorization.

54894707779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124467840, while the sum is 67.

The spelling of 54894707779 in words is "fifty-four billion, eight hundred ninety-four million, seven hundred seven thousand, seven hundred seventy-nine".