55622357677 has 2 divisors, whose sum is σ = 55622357678. Its totient is φ = 55622357676.

The previous prime is 55622357653. The next prime is 55622357723. The reversal of 55622357677 is 77675322655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55380679561 + 241678116 = 235331^2 + 15546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55622357677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55622357617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811178838 + 27811178839.

It is an arithmetic number, because the mean of its divisors is an integer number (27811178839).

Almost surely, 2^55622357677 is an apocalyptic number.

It is an amenable number.

55622357677 is a deficient number, since it is larger than the sum of its proper divisors (1).

55622357677 is an equidigital number, since it uses as much as digits as its factorization.

55622357677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18522000, while the sum is 55.

The spelling of 55622357677 in words is "fifty-five billion, six hundred twenty-two million, three hundred fifty-seven thousand, six hundred seventy-seven".