550304543977 has 2 divisors, whose sum is σ = 550304543978. Its totient is φ = 550304543976.

The previous prime is 550304543939. The next prime is 550304544017. The reversal of 550304543977 is 779345403055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492809616016 + 57494927961 = 702004^2 + 239781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550304543977 is a prime.

It is a super-2 number, since 2×550304543977² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550304543917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275152271988 + 275152271989.

It is an arithmetic number, because the mean of its divisors is an integer number (275152271989).

Almost surely, 2^550304543977 is an apocalyptic number.

It is an amenable number.

550304543977 is a deficient number, since it is larger than the sum of its proper divisors (1).

550304543977 is an equidigital number, since it uses as much as digits as its factorization.

550304543977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 550304543977 in words is "five hundred fifty billion, three hundred four million, five hundred forty-three thousand, nine hundred seventy-seven".