550013900 has 72 divisors (see below), whose sum is σ = 1266116880. Its totient is φ = 206807040.

The previous prime is 550013857. The next prime is 550013941. The reversal of 550013900 is 9310055.

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, 259244 + ... + 261356.

Almost surely, 2^550013900 is an apocalyptic number.

550013900 is a gapful number since it is divisible by the number (50) 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 550013900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633058440).

550013900 is an abundant number, since it is smaller than the sum of its proper divisors (716102980).

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

550013900 is a wasteful number, since it uses less digits than its factorization.

550013900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 550013900 is about 23452.3751462405. The cubic root of 550013900 is about 819.3281727035.

Adding to 550013900 its reverse (9310055), we get a palindrome (559323955).

The spelling of 550013900 in words is "five hundred fifty million, thirteen thousand, nine hundred".