550455510 has 64 divisors (see below), whose sum is σ = 1447580160. Its totient is φ = 132852480.

The previous prime is 550455497. The next prime is 550455511. The reversal of 550455510 is 15554055.

It is a super-3 number, since 3×550455510³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550455511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73311 + ... + 80469.

It is an arithmetic number, because the mean of its divisors is an integer number (22618440).

Almost surely, 2^550455510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550455510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723790080).

550455510 is an abundant number, since it is smaller than the sum of its proper divisors (897124650).

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

550455510 is a wasteful number, since it uses less digits than its factorization.

550455510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 550455510 is about 23461.7882950128. The cubic root of 550455510 is about 819.5473954787.

The spelling of 550455510 in words is "five hundred fifty million, four hundred fifty-five thousand, five hundred ten".