550004131 has 2 divisors, whose sum is σ = 550004132. Its totient is φ = 550004130.

The previous prime is 550004101. The next prime is 550004137. The reversal of 550004131 is 131400055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550004131 - 2⁷ = 550004003 is a prime.

It is a super-2 number, since 2×550004131² = 605009088234130322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550004099 and 550004108.

It is not a weakly prime, because it can be changed into another prime (550004137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275002065 + 275002066.

It is an arithmetic number, because the mean of its divisors is an integer number (275002066).

Almost surely, 2^550004131 is an apocalyptic number.

550004131 is a deficient number, since it is larger than the sum of its proper divisors (1).

550004131 is an equidigital number, since it uses as much as digits as its factorization.

550004131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 550004131 is about 23452.1668721677. The cubic root of 550004131 is about 819.3233218780.

Adding to 550004131 its reverse (131400055), we get a palindrome (681404186).

The spelling of 550004131 in words is "five hundred fifty million, four thousand, one hundred thirty-one".