550340425 has 6 divisors (see below), whose sum is σ = 682422158. Its totient is φ = 440272320.

The previous prime is 550340423. The next prime is 550340429. The reversal of 550340425 is 524043055.

It can be written as a sum of positive squares in 3 ways, for example, as 179854921 + 370485504 = 13411^2 + 19248^2 .

It is not a de Polignac number, because 550340425 - 2¹ = 550340423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550340393 and 550340402.

It is not an unprimeable number, because it can be changed into a prime (550340423) 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 in 5 ways as a sum of consecutive naturals, for example, 11006784 + ... + 11006833.

Almost surely, 2^550340425 is an apocalyptic number.

It is an amenable number.

550340425 is a deficient number, since it is larger than the sum of its proper divisors (132081733).

550340425 is a wasteful number, since it uses less digits than its factorization.

550340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013627 (or 22013622 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 550340425 is about 23459.3355617758. The cubic root of 550340425 is about 819.4902766113.

The spelling of 550340425 in words is "five hundred fifty million, three hundred forty thousand, four hundred twenty-five".