550530552 has 128 divisors (see below), whose sum is σ = 1651829760. Its totient is φ = 150673920.

The previous prime is 550530503. The next prime is 550530583. The reversal of 550530552 is 255035055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159598 + ... + 163010.

It is an arithmetic number, because the mean of its divisors is an integer number (12904920).

Almost surely, 2^550530552 is an apocalyptic number.

550530552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550530552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825914880).

550530552 is an abundant number, since it is smaller than the sum of its proper divisors (1101299208).

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

550530552 is a wasteful number, since it uses less digits than its factorization.

550530552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493 (or 3489 counting only the distinct ones).

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

The square root of 550530552 is about 23463.3874792196. The cubic root of 550530552 is about 819.5846359580.

The spelling of 550530552 in words is "five hundred fifty million, five hundred thirty thousand, five hundred fifty-two".