55973423597771 has 2 divisors, whose sum is σ = 55973423597772. Its totient is φ = 55973423597770.

The previous prime is 55973423597759. The next prime is 55973423597789. The reversal of 55973423597771 is 17779532437955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55973423597771 - 2¹⁰ = 55973423596747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55973423597071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27986711798885 + 27986711798886.

It is an arithmetic number, because the mean of its divisors is an integer number (27986711798886).

Almost surely, 2^{55973423597771} is an apocalyptic number.

55973423597771 is a deficient number, since it is larger than the sum of its proper divisors (1).

55973423597771 is an equidigital number, since it uses as much as digits as its factorization.

55973423597771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1750329000, while the sum is 74.

The spelling of 55973423597771 in words is "fifty-five trillion, nine hundred seventy-three billion, four hundred twenty-three million, five hundred ninety-seven thousand, seven hundred seventy-one".