55616722747 has 2 divisors, whose sum is σ = 55616722748. Its totient is φ = 55616722746.

The previous prime is 55616722729. The next prime is 55616722757. The reversal of 55616722747 is 74722761655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55616722747 - 2⁷ = 55616722619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55616722694 and 55616722703.

It is not a weakly prime, because it can be changed into another prime (55616722757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808361373 + 27808361374.

It is an arithmetic number, because the mean of its divisors is an integer number (27808361374).

Almost surely, 2^55616722747 is an apocalyptic number.

55616722747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55616722747 is an equidigital number, since it uses as much as digits as its factorization.

55616722747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 52.

The spelling of 55616722747 in words is "fifty-five billion, six hundred sixteen million, seven hundred twenty-two thousand, seven hundred forty-seven".