55358214911977 has 2 divisors, whose sum is σ = 55358214911978. Its totient is φ = 55358214911976.

The previous prime is 55358214911971. The next prime is 55358214912001. The reversal of 55358214911977 is 77911941285355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37888690633641 + 17469524278336 = 6155379^2 + 4179656^2 .

It is a cyclic number.

It is not a de Polignac number, because 55358214911977 - 2³¹ = 55356067428329 is a prime.

It is not a weakly prime, because it can be changed into another prime (55358214911971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27679107455988 + 27679107455989.

It is an arithmetic number, because the mean of its divisors is an integer number (27679107455989).

Almost surely, 2^{55358214911977} is an apocalyptic number.

It is an amenable number.

55358214911977 is a deficient number, since it is larger than the sum of its proper divisors (1).

55358214911977 is an equidigital number, since it uses as much as digits as its factorization.

55358214911977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256000, while the sum is 67.

The spelling of 55358214911977 in words is "fifty-five trillion, three hundred fifty-eight billion, two hundred fourteen million, nine hundred eleven thousand, nine hundred seventy-seven".