55504770667 has 2 divisors, whose sum is σ = 55504770668. Its totient is φ = 55504770666.

The previous prime is 55504770641. The next prime is 55504770709. The reversal of 55504770667 is 76607740555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55504770667 - 2³¹ = 53357287019 is a prime.

It is not a weakly prime, because it can be changed into another prime (55504771667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752385333 + 27752385334.

It is an arithmetic number, because the mean of its divisors is an integer number (27752385334).

Almost surely, 2^55504770667 is an apocalyptic number.

55504770667 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504770667 is an equidigital number, since it uses as much as digits as its factorization.

55504770667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 55504770667 in words is "fifty-five billion, five hundred four million, seven hundred seventy thousand, six hundred sixty-seven".