550255530 has 32 divisors (see below), whose sum is σ = 1440669888. Its totient is φ = 133395200.

The previous prime is 550255513. The next prime is 550255543. The reversal of 550255530 is 35552055.

It is a super-2 number, since 2×550255530² = 605562296591161800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833391 + ... + 834050.

It is an arithmetic number, because the mean of its divisors is an integer number (45020934).

Almost surely, 2^550255530 is an apocalyptic number.

550255530 is an abundant number, since it is smaller than the sum of its proper divisors (890414358).

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

550255530 is a wasteful number, since it uses less digits than its factorization.

550255530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667462.

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 550255530 is about 23457.5260843935. The cubic root of 550255530 is about 819.4481365095.

The spelling of 550255530 in words is "five hundred fifty million, two hundred fifty-five thousand, five hundred thirty".