550369080 has 160 divisors (see below), whose sum is σ = 1900261440. Its totient is φ = 142767360.

The previous prime is 550369073. The next prime is 550369081. The reversal of 550369080 is 80963055.

It is a super-2 number, since 2×550369080² = 605812248440092800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550369081) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 117585 + ... + 122175.

It is an arithmetic number, because the mean of its divisors is an integer number (11876634).

Almost surely, 2^550369080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550369080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950130720).

550369080 is an abundant number, since it is smaller than the sum of its proper divisors (1349892360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550369080 is a wasteful number, since it uses less digits than its factorization.

550369080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 550369080 is about 23459.9462914986. The cubic root of 550369080 is about 819.5044993755.

The spelling of 550369080 in words is "five hundred fifty million, three hundred sixty-nine thousand, eighty".