54738569887 has 2 divisors, whose sum is σ = 54738569888. Its totient is φ = 54738569886.

The previous prime is 54738569867. The next prime is 54738569923. The reversal of 54738569887 is 78896583745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54738569887 - 2¹¹ = 54738567839 is a prime.

It is a super-2 number, since 2×54738569887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54738569867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27369284943 + 27369284944.

It is an arithmetic number, because the mean of its divisors is an integer number (27369284944).

Almost surely, 2^54738569887 is an apocalyptic number.

54738569887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54738569887 is an equidigital number, since it uses as much as digits as its factorization.

54738569887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 406425600, while the sum is 70.

The spelling of 54738569887 in words is "fifty-four billion, seven hundred thirty-eight million, five hundred sixty-nine thousand, eight hundred eighty-seven".