550125555 has 64 divisors (see below), whose sum is σ = 1023805440. Its totient is φ = 247071744.

The previous prime is 550125551. The next prime is 550125557. The reversal of 550125555 is 555521055.

It is not a de Polignac number, because 550125555 - 2² = 550125551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550125551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2402181 + ... + 2402409.

It is an arithmetic number, because the mean of its divisors is an integer number (15996960).

Almost surely, 2^550125555 is an apocalyptic number.

550125555 is a deficient number, since it is larger than the sum of its proper divisors (473679885).

550125555 is a wasteful number, since it uses less digits than its factorization.

550125555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 31250, while the sum is 33.

The square root of 550125555 is about 23454.7554879602. The cubic root of 550125555 is about 819.3836112403.

The spelling of 550125555 in words is "five hundred fifty million, one hundred twenty-five thousand, five hundred fifty-five".