55626603629 has 2 divisors, whose sum is σ = 55626603630. Its totient is φ = 55626603628.

The previous prime is 55626603623. The next prime is 55626603689. The reversal of 55626603629 is 92630662655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34511607529 + 21114996100 = 185773^2 + 145310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55626603629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55626603623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27813301814 + 27813301815.

It is an arithmetic number, because the mean of its divisors is an integer number (27813301815).

Almost surely, 2^55626603629 is an apocalyptic number.

It is an amenable number.

55626603629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55626603629 is an equidigital number, since it uses as much as digits as its factorization.

55626603629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 55626603629 in words is "fifty-five billion, six hundred twenty-six million, six hundred three thousand, six hundred twenty-nine".