555450977 has 2 divisors, whose sum is σ = 555450978. Its totient is φ = 555450976.

The previous prime is 555450967. The next prime is 555451027. The reversal of 555450977 is 779054555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 458645056 + 96805921 = 21416^2 + 9839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555450977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555450937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277725488 + 277725489.

It is an arithmetic number, because the mean of its divisors is an integer number (277725489).

Almost surely, 2^555450977 is an apocalyptic number.

It is an amenable number.

555450977 is a deficient number, since it is larger than the sum of its proper divisors (1).

555450977 is an equidigital number, since it uses as much as digits as its factorization.

555450977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The square root of 555450977 is about 23568.0074889669. The cubic root of 555450977 is about 822.0191056272.

The spelling of 555450977 in words is "five hundred fifty-five million, four hundred fifty thousand, nine hundred seventy-seven".