550001880 has 128 divisors (see below), whose sum is σ = 1878206400. Its totient is φ = 143078400.

The previous prime is 550001831. The next prime is 550001917. The reversal of 550001880 is 88100055.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 38070 + ... + 50490.

Almost surely, 2^550001880 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 550001880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939103200).

550001880 is an abundant number, since it is smaller than the sum of its proper divisors (1328204520).

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

550001880 is a wasteful number, since it uses less digits than its factorization.

550001880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482 (or 12472 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 550001880 is about 23452.1188808176. The cubic root of 550001880 is about 819.3222041293.

The spelling of 550001880 in words is "five hundred fifty million, one thousand, eight hundred eighty".