55613923117 has 2 divisors, whose sum is σ = 55613923118. Its totient is φ = 55613923116.

The previous prime is 55613923087. The next prime is 55613923139. The reversal of 55613923117 is 71132931655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38722761961 + 16891161156 = 196781^2 + 129966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55613923117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55613953117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27806961558 + 27806961559.

It is an arithmetic number, because the mean of its divisors is an integer number (27806961559).

Almost surely, 2^55613923117 is an apocalyptic number.

It is an amenable number.

55613923117 is a deficient number, since it is larger than the sum of its proper divisors (1).

55613923117 is an equidigital number, since it uses as much as digits as its factorization.

55613923117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The spelling of 55613923117 in words is "fifty-five billion, six hundred thirteen million, nine hundred twenty-three thousand, one hundred seventeen".