55361615843 has 2 divisors, whose sum is σ = 55361615844. Its totient is φ = 55361615842.

The previous prime is 55361615801. The next prime is 55361615879. The reversal of 55361615843 is 34851616355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55361615843 - 2³² = 51066648547 is a prime.

It is not a weakly prime, because it can be changed into another prime (55351615843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27680807921 + 27680807922.

It is an arithmetic number, because the mean of its divisors is an integer number (27680807922).

Almost surely, 2^55361615843 is an apocalyptic number.

55361615843 is a deficient number, since it is larger than the sum of its proper divisors (1).

55361615843 is an equidigital number, since it uses as much as digits as its factorization.

55361615843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 55361615843 in words is "fifty-five billion, three hundred sixty-one million, six hundred fifteen thousand, eight hundred forty-three".