55373149219 has 2 divisors, whose sum is σ = 55373149220. Its totient is φ = 55373149218.

The previous prime is 55373149213. The next prime is 55373149261. The reversal of 55373149219 is 91294137355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55373149219 is a prime.

It is a super-2 number, since 2×55373149219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55373149213) 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, 27686574609 + 27686574610.

It is an arithmetic number, because the mean of its divisors is an integer number (27686574610).

Almost surely, 2^55373149219 is an apocalyptic number.

55373149219 is a deficient number, since it is larger than the sum of its proper divisors (1).

55373149219 is an equidigital number, since it uses as much as digits as its factorization.

55373149219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 49.

The spelling of 55373149219 in words is "fifty-five billion, three hundred seventy-three million, one hundred forty-nine thousand, two hundred nineteen".