550529155 has 16 divisors (see below), whose sum is σ = 743943168. Its totient is φ = 387468000.

The previous prime is 550529153. The next prime is 550529167. The reversal of 550529155 is 551925055.

It is not a de Polignac number, because 550529155 - 2¹ = 550529153 is a prime.

It is a super-3 number, since 3×550529155³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550529153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159741 + ... + 163150.

It is an arithmetic number, because the mean of its divisors is an integer number (46496448).

Almost surely, 2^550529155 is an apocalyptic number.

550529155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550529155 is a deficient number, since it is larger than the sum of its proper divisors (193414013).

550529155 is a wasteful number, since it uses less digits than its factorization.

550529155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322938.

The product of its (nonzero) digits is 56250, while the sum is 37.

The square root of 550529155 is about 23463.3577094158. The cubic root of 550529155 is about 819.5839427112.

The spelling of 550529155 in words is "five hundred fifty million, five hundred twenty-nine thousand, one hundred fifty-five".