505550049031 has 2 divisors, whose sum is σ = 505550049032. Its totient is φ = 505550049030.

The previous prime is 505550048963. The next prime is 505550049047. The reversal of 505550049031 is 130940055505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505550049031 - 2¹⁹ = 505549524743 is a prime.

It is a super-2 number, since 2×505550049031² (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 (505550049071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252775024515 + 252775024516.

It is an arithmetic number, because the mean of its divisors is an integer number (252775024516).

Almost surely, 2^505550049031 is an apocalyptic number.

505550049031 is a deficient number, since it is larger than the sum of its proper divisors (1).

505550049031 is an equidigital number, since it uses as much as digits as its factorization.

505550049031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 505550049031 in words is "five hundred five billion, five hundred fifty million, forty-nine thousand, thirty-one".