550050031 has 2 divisors, whose sum is σ = 550050032. Its totient is φ = 550050030.

The previous prime is 550049959. The next prime is 550050041. The reversal of 550050031 is 130050055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550050031 - 2⁹ = 550049519 is a prime.

It is a super-2 number, since 2×550050031² = 605110073206201922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550049990 and 550050008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550050041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275025015 + 275025016.

It is an arithmetic number, because the mean of its divisors is an integer number (275025016).

Almost surely, 2^550050031 is an apocalyptic number.

550050031 is a deficient number, since it is larger than the sum of its proper divisors (1).

550050031 is an equidigital number, since it uses as much as digits as its factorization.

550050031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 550050031 is about 23453.1454393648. The cubic root of 550050031 is about 819.3461131580.

The spelling of 550050031 in words is "five hundred fifty million, fifty thousand, thirty-one".