55039256603 has 2 divisors, whose sum is σ = 55039256604. Its totient is φ = 55039256602.

The previous prime is 55039256599. The next prime is 55039256693. The reversal of 55039256603 is 30665293055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55039256603 - 2² = 55039256599 is a prime.

It is not a weakly prime, because it can be changed into another prime (55039256693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27519628301 + 27519628302.

It is an arithmetic number, because the mean of its divisors is an integer number (27519628302).

Almost surely, 2^55039256603 is an apocalyptic number.

55039256603 is a deficient number, since it is larger than the sum of its proper divisors (1).

55039256603 is an equidigital number, since it uses as much as digits as its factorization.

55039256603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 55039256603 in words is "fifty-five billion, thirty-nine million, two hundred fifty-six thousand, six hundred three".