55550606039 has 2 divisors, whose sum is σ = 55550606040. Its totient is φ = 55550606038.

The previous prime is 55550606029. The next prime is 55550606099. The reversal of 55550606039 is 93060605555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55550606039 - 2¹⁶ = 55550540503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550606029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775303019 + 27775303020.

It is an arithmetic number, because the mean of its divisors is an integer number (27775303020).

Almost surely, 2^55550606039 is an apocalyptic number.

55550606039 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550606039 is an equidigital number, since it uses as much as digits as its factorization.

55550606039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 55550606039 in words is "fifty-five billion, five hundred fifty million, six hundred six thousand, thirty-nine".