550050155 has 4 divisors (see below), whose sum is σ = 660060192. Its totient is φ = 440040120.

The previous prime is 550050121. The next prime is 550050157. The reversal of 550050155 is 551050055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 550050155 - 2⁶ = 550050091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550050157) 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 3 ways as a sum of consecutive naturals, for example, 55005011 + ... + 55005020.

It is an arithmetic number, because the mean of its divisors is an integer number (165015048).

Almost surely, 2^550050155 is an apocalyptic number.

550050155 is a deficient number, since it is larger than the sum of its proper divisors (110010037).

550050155 is a wasteful number, since it uses less digits than its factorization.

550050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010036.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 550050155 is about 23453.1480829333. The cubic root of 550050155 is about 819.3461747275.

It can be divided in two parts, 5500 and 50155, that added together give a palindrome (55655).

The spelling of 550050155 in words is "five hundred fifty million, fifty thousand, one hundred fifty-five".