505500550547 has 2 divisors, whose sum is σ = 505500550548. Its totient is φ = 505500550546.

The previous prime is 505500550441. The next prime is 505500550553. The reversal of 505500550547 is 745055005505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505500550547 - 2²⁶ = 505433441683 is a prime.

It is not a weakly prime, because it can be changed into another prime (505500550567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252750275273 + 252750275274.

It is an arithmetic number, because the mean of its divisors is an integer number (252750275274).

Almost surely, 2^505500550547 is an apocalyptic number.

505500550547 is a deficient number, since it is larger than the sum of its proper divisors (1).

505500550547 is an equidigital number, since it uses as much as digits as its factorization.

505500550547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437500, while the sum is 41.

The spelling of 505500550547 in words is "five hundred five billion, five hundred million, five hundred fifty thousand, five hundred forty-seven".