54349788931 has 2 divisors, whose sum is σ = 54349788932. Its totient is φ = 54349788930.

The previous prime is 54349788853. The next prime is 54349788959. The reversal of 54349788931 is 13988794345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54349788931 - 2⁷ = 54349788803 is a prime.

It is a super-2 number, since 2×54349788931² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54349788931.

It is not a weakly prime, because it can be changed into another prime (54349788431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27174894465 + 27174894466.

It is an arithmetic number, because the mean of its divisors is an integer number (27174894466).

Almost surely, 2^54349788931 is an apocalyptic number.

54349788931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54349788931 is an equidigital number, since it uses as much as digits as its factorization.

54349788931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 61.

The spelling of 54349788931 in words is "fifty-four billion, three hundred forty-nine million, seven hundred eighty-eight thousand, nine hundred thirty-one".