55456113913 has 2 divisors, whose sum is σ = 55456113914. Its totient is φ = 55456113912.

The previous prime is 55456113907. The next prime is 55456113949. The reversal of 55456113913 is 31931165455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39508717824 + 15947396089 = 198768^2 + 126283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55456113913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55456113913.

It is not a weakly prime, because it can be changed into another prime (55456113953) 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, 27728056956 + 27728056957.

It is an arithmetic number, because the mean of its divisors is an integer number (27728056957).

Almost surely, 2^55456113913 is an apocalyptic number.

It is an amenable number.

55456113913 is a deficient number, since it is larger than the sum of its proper divisors (1).

55456113913 is an equidigital number, since it uses as much as digits as its factorization.

55456113913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 43.

The spelling of 55456113913 in words is "fifty-five billion, four hundred fifty-six million, one hundred thirteen thousand, nine hundred thirteen".