555554006977 has 2 divisors, whose sum is σ = 555554006978. Its totient is φ = 555554006976.

The previous prime is 555554006941. The next prime is 555554007097. The reversal of 555554006977 is 779600455555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429914951041 + 125639055936 = 655679^2 + 354456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555554006977 is a prime.

It is not a weakly prime, because it can be changed into another prime (555554006377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277777003488 + 277777003489.

It is an arithmetic number, because the mean of its divisors is an integer number (277777003489).

Almost surely, 2^555554006977 is an apocalyptic number.

It is an amenable number.

555554006977 is a deficient number, since it is larger than the sum of its proper divisors (1).

555554006977 is an equidigital number, since it uses as much as digits as its factorization.

555554006977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33075000, while the sum is 58.

The spelling of 555554006977 in words is "five hundred fifty-five billion, five hundred fifty-four million, six thousand, nine hundred seventy-seven".