55102351019 has 2 divisors, whose sum is σ = 55102351020. Its totient is φ = 55102351018.

The previous prime is 55102350997. The next prime is 55102351033. The reversal of 55102351019 is 91015320155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55102351019 is a prime.

It is a super-2 number, since 2×55102351019² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55102351049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551175509 + 27551175510.

It is an arithmetic number, because the mean of its divisors is an integer number (27551175510).

Almost surely, 2^55102351019 is an apocalyptic number.

55102351019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55102351019 is an equidigital number, since it uses as much as digits as its factorization.

55102351019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 55102351019 in words is "fifty-five billion, one hundred two million, three hundred fifty-one thousand, nineteen".