550553837 has 2 divisors, whose sum is σ = 550553838. Its totient is φ = 550553836.

The previous prime is 550553833. The next prime is 550553869. The reversal of 550553837 is 738355055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545969956 + 4583881 = 23366^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 550553837 - 2² = 550553833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550553794 and 550553803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550553833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275276918 + 275276919.

It is an arithmetic number, because the mean of its divisors is an integer number (275276919).

Almost surely, 2^550553837 is an apocalyptic number.

It is an amenable number.

550553837 is a deficient number, since it is larger than the sum of its proper divisors (1).

550553837 is an equidigital number, since it uses as much as digits as its factorization.

550553837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 41.

The square root of 550553837 is about 23463.8836725722. The cubic root of 550553837 is about 819.5961907265.

The spelling of 550553837 in words is "five hundred fifty million, five hundred fifty-three thousand, eight hundred thirty-seven".