550425123 has 12 divisors (see below), whose sum is σ = 814450728. Its totient is φ = 357999840.

The previous prime is 550425107. The next prime is 550425149. The reversal of 550425123 is 321524055.

It is a happy number.

550425123 is a `hidden beast` number, since 550 + 42 + 51 + 23 = 666.

It is not a de Polignac number, because 550425123 - 2⁴ = 550425107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550425223) 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 11 ways as a sum of consecutive naturals, for example, 745465 + ... + 746202.

It is an arithmetic number, because the mean of its divisors is an integer number (67870894).

Almost surely, 2^550425123 is an apocalyptic number.

550425123 is a deficient number, since it is larger than the sum of its proper divisors (264025605).

550425123 is a wasteful number, since it uses less digits than its factorization.

550425123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491714 (or 1491711 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 550425123 is about 23461.1407011680. The cubic root of 550425123 is about 819.5323146081.

Adding to 550425123 its reverse (321524055), we get a palindrome (871949178).

The spelling of 550425123 in words is "five hundred fifty million, four hundred twenty-five thousand, one hundred twenty-three".