555990077 has 2 divisors, whose sum is σ = 555990078. Its totient is φ = 555990076.

The previous prime is 555990037. The next prime is 555990079. The reversal of 555990077 is 770099555.

555990077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548449561 + 7540516 = 23419^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 555990077 - 2⁶ = 555990013 is a prime.

Together with 555990079, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555990079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277995038 + 277995039.

It is an arithmetic number, because the mean of its divisors is an integer number (277995039).

Almost surely, 2^555990077 is an apocalyptic number.

It is an amenable number.

555990077 is a deficient number, since it is larger than the sum of its proper divisors (1).

555990077 is an equidigital number, since it uses as much as digits as its factorization.

555990077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 496125, while the sum is 47.

The square root of 555990077 is about 23579.4418296956. The cubic root of 555990077 is about 822.2849599972.

The spelling of 555990077 in words is "five hundred fifty-five million, nine hundred ninety thousand, seventy-seven".