550252780 has 96 divisors (see below), whose sum is σ = 1455068160. Its totient is φ = 169793280.

The previous prime is 550252777. The next prime is 550252817. The reversal of 550252780 is 87252055.

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, 156886 + ... + 160354.

It is an arithmetic number, because the mean of its divisors is an integer number (15156960).

Almost surely, 2^550252780 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 550252780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727534080).

550252780 is an abundant number, since it is smaller than the sum of its proper divisors (904815380).

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

550252780 is a wasteful number, since it uses less digits than its factorization.

550252780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 550252780 is about 23457.4674677383. The cubic root of 550252780 is about 819.4467713945.

The spelling of 550252780 in words is "five hundred fifty million, two hundred fifty-two thousand, seven hundred eighty".