550629225 has 48 divisors (see below), whose sum is σ = 1020619200. Its totient is φ = 291029760.

The previous prime is 550629217. The next prime is 550629229. The reversal of 550629225 is 522926055.

550629225 is a `hidden beast` number, since 5 + 5 + 0 + 629 + 2 + 25 = 666.

It is not a de Polignac number, because 550629225 - 2³ = 550629217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550629225.

It is not an unprimeable number, because it can be changed into a prime (550629229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72666 + ... + 79884.

It is an arithmetic number, because the mean of its divisors is an integer number (21262900).

Almost surely, 2^550629225 is an apocalyptic number.

It is an amenable number.

550629225 is a deficient number, since it is larger than the sum of its proper divisors (469989975).

550629225 is a wasteful number, since it uses less digits than its factorization.

550629225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351 (or 7340 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 550629225 is about 23465.4900865079. The cubic root of 550629225 is about 819.6335984503.

The spelling of 550629225 in words is "five hundred fifty million, six hundred twenty-nine thousand, two hundred twenty-five".