550550925 has 60 divisors (see below), whose sum is σ = 1036761396. Its totient is φ = 288748800.

The previous prime is 550550893. The next prime is 550550927. The reversal of 550550925 is 529055055.

It can be written as a sum of positive squares in 6 ways, for example, as 61168041 + 489382884 = 7821^2 + 22122^2 .

It is not a de Polignac number, because 550550925 - 2⁵ = 550550893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550550925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550927) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 121297 + ... + 125753.

Almost surely, 2^550550925 is an apocalyptic number.

It is an amenable number.

550550925 is a deficient number, since it is larger than the sum of its proper divisors (486210471).

550550925 is a wasteful number, since it uses less digits than its factorization.

550550925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The square root of 550550925 is about 23463.8216196765. The cubic root of 550550925 is about 819.5947457159.

The spelling of 550550925 in words is "five hundred fifty million, five hundred fifty thousand, nine hundred twenty-five".