55550031263 has 2 divisors, whose sum is σ = 55550031264. Its totient is φ = 55550031262.

The previous prime is 55550031259. The next prime is 55550031269. The reversal of 55550031263 is 36213005555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55550031263 - 2² = 55550031259 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550031269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775015631 + 27775015632.

It is an arithmetic number, because the mean of its divisors is an integer number (27775015632).

Almost surely, 2^55550031263 is an apocalyptic number.

55550031263 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550031263 is an equidigital number, since it uses as much as digits as its factorization.

55550031263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 55550031263 in words is "fifty-five billion, five hundred fifty million, thirty-one thousand, two hundred sixty-three".