550551061031 has 2 divisors, whose sum is σ = 550551061032. Its totient is φ = 550551061030.

The previous prime is 550551060991. The next prime is 550551061043. The reversal of 550551061031 is 130160155055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550551061031 is a prime.

It is a super-2 number, since 2×550551061031² (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 (550551061831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275275530515 + 275275530516.

It is an arithmetic number, because the mean of its divisors is an integer number (275275530516).

Almost surely, 2^550551061031 is an apocalyptic number.

550551061031 is a deficient number, since it is larger than the sum of its proper divisors (1).

550551061031 is an equidigital number, since it uses as much as digits as its factorization.

550551061031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 550551061031 in words is "five hundred fifty billion, five hundred fifty-one million, sixty-one thousand, thirty-one".