54869554049 has 2 divisors, whose sum is σ = 54869554050. Its totient is φ = 54869554048.

The previous prime is 54869554021. The next prime is 54869554057. The reversal of 54869554049 is 94045596845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49220528449 + 5649025600 = 221857^2 + 75160^2 .

It is a cyclic number.

It is not a de Polignac number, because 54869554049 - 2⁸ = 54869553793 is a prime.

It is a super-2 number, since 2×54869554049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54869554249) 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, 27434777024 + 27434777025.

It is an arithmetic number, because the mean of its divisors is an integer number (27434777025).

Almost surely, 2^54869554049 is an apocalyptic number.

It is an amenable number.

54869554049 is a deficient number, since it is larger than the sum of its proper divisors (1).

54869554049 is an equidigital number, since it uses as much as digits as its factorization.

54869554049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 54869554049 in words is "fifty-four billion, eight hundred sixty-nine million, five hundred fifty-four thousand, forty-nine".