55156163141 has 2 divisors, whose sum is σ = 55156163142. Its totient is φ = 55156163140.

The previous prime is 55156163099. The next prime is 55156163143. The reversal of 55156163141 is 14136165155.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27848600641 + 27307562500 = 166879^2 + 165250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55156163141 is a prime.

Together with 55156163143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55156163095 and 55156163104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55156163143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27578081570 + 27578081571.

It is an arithmetic number, because the mean of its divisors is an integer number (27578081571).

Almost surely, 2^55156163141 is an apocalyptic number.

It is an amenable number.

55156163141 is a deficient number, since it is larger than the sum of its proper divisors (1).

55156163141 is an equidigital number, since it uses as much as digits as its factorization.

55156163141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The spelling of 55156163141 in words is "fifty-five billion, one hundred fifty-six million, one hundred sixty-three thousand, one hundred forty-one".