550551060977 has 2 divisors, whose sum is σ = 550551060978. Its totient is φ = 550551060976.

The previous prime is 550551060949. The next prime is 550551060991. The reversal of 550551060977 is 779060155055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501831976801 + 48719084176 = 708401^2 + 220724^2 .

It is a cyclic number.

It is not a de Polignac number, because 550551060977 - 2²⁰ = 550550012401 is a prime.

It is not a weakly prime, because it can be changed into another prime (550551030977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275275530488 + 275275530489.

It is an arithmetic number, because the mean of its divisors is an integer number (275275530489).

Almost surely, 2^550551060977 is an apocalyptic number.

It is an amenable number.

550551060977 is a deficient number, since it is larger than the sum of its proper divisors (1).

550551060977 is an equidigital number, since it uses as much as digits as its factorization.

550551060977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653750, while the sum is 50.

The spelling of 550551060977 in words is "five hundred fifty billion, five hundred fifty-one million, sixty thousand, nine hundred seventy-seven".