505050550679 has 2 divisors, whose sum is σ = 505050550680. Its totient is φ = 505050550678.

The previous prime is 505050550531. The next prime is 505050550687. The reversal of 505050550679 is 976055050505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505050550679 - 2²⁰ = 505049502103 is a prime.

It is a super-2 number, since 2×505050550679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505050550379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525275339 + 252525275340.

It is an arithmetic number, because the mean of its divisors is an integer number (252525275340).

Almost surely, 2^505050550679 is an apocalyptic number.

505050550679 is a deficient number, since it is larger than the sum of its proper divisors (1).

505050550679 is an equidigital number, since it uses as much as digits as its factorization.

505050550679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1181250, while the sum is 47.

The spelling of 505050550679 in words is "five hundred five billion, fifty million, five hundred fifty thousand, six hundred seventy-nine".