550050140 has 72 divisors (see below), whose sum is σ = 1213853760. Its totient is φ = 209184768.

The previous prime is 550050121. The next prime is 550050157. The reversal of 550050140 is 41050055.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5670572 + ... + 5670668.

It is an arithmetic number, because the mean of its divisors is an integer number (16859080).

Almost surely, 2^550050140 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 550050140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606926880).

550050140 is an abundant number, since it is smaller than the sum of its proper divisors (663803620).

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

550050140 is a wasteful number, since it uses less digits than its factorization.

550050140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 550050140 is about 23453.1477631468. The cubic root of 550050140 is about 819.3461672796.

The spelling of 550050140 in words is "five hundred fifty million, fifty thousand, one hundred forty".