554954779 has 2 divisors, whose sum is σ = 554954780. Its totient is φ = 554954778.

The previous prime is 554954773. The next prime is 554954789. The reversal of 554954779 is 977459455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554954779 is a prime.

It is not a weakly prime, because it can be changed into another prime (554954773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277477389 + 277477390.

It is an arithmetic number, because the mean of its divisors is an integer number (277477390).

Almost surely, 2^554954779 is an apocalyptic number.

554954779 is a deficient number, since it is larger than the sum of its proper divisors (1).

554954779 is an equidigital number, since it uses as much as digits as its factorization.

554954779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 55.

The square root of 554954779 is about 23557.4781969548. The cubic root of 554954779 is about 821.7742560839.

The spelling of 554954779 in words is "five hundred fifty-four million, nine hundred fifty-four thousand, seven hundred seventy-nine".