55353561151019 has 2 divisors, whose sum is σ = 55353561151020. Its totient is φ = 55353561151018.

The previous prime is 55353561150989. The next prime is 55353561151061. The reversal of 55353561151019 is 91015116535355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55353561151019 - 2³² = 55349266183723 is a prime.

It is a super-2 number, since 2×55353561151019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55353561154019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27676780575509 + 27676780575510.

It is an arithmetic number, because the mean of its divisors is an integer number (27676780575510).

Almost surely, 2^{55353561151019} is an apocalyptic number.

55353561151019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55353561151019 is an equidigital number, since it uses as much as digits as its factorization.

55353561151019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1518750, while the sum is 50.

The spelling of 55353561151019 in words is "fifty-five trillion, three hundred fifty-three billion, five hundred sixty-one million, one hundred fifty-one thousand, nineteen".