550265155 has 16 divisors (see below), whose sum is σ = 727087104. Its totient is φ = 396448480.

The previous prime is 550265119. The next prime is 550265161. The reversal of 550265155 is 551562055.

550265155 = 3136² + 3137² + ... + 3190².

It is not a de Polignac number, because 550265155 - 2¹³ = 550256963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550265155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40867 + ... + 52636.

It is an arithmetic number, because the mean of its divisors is an integer number (45442944).

Almost surely, 2^550265155 is an apocalyptic number.

550265155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550265155 is a deficient number, since it is larger than the sum of its proper divisors (176821949).

550265155 is a wasteful number, since it uses less digits than its factorization.

550265155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93626.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 550265155 is about 23457.7312415331. The cubic root of 550265155 is about 819.4529143759.

The spelling of 550265155 in words is "five hundred fifty million, two hundred sixty-five thousand, one hundred fifty-five".