550481900 has 36 divisors (see below), whose sum is σ = 1196689032. Its totient is φ = 219797760.

The previous prime is 550481891. The next prime is 550481917. The reversal of 550481900 is 9184055.

It is a super-2 number, since 2×550481900² = 606060644455220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54659 + ... + 63941.

It is an arithmetic number, because the mean of its divisors is an integer number (33241362).

Almost surely, 2^550481900 is an apocalyptic number.

550481900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550481900 is an abundant number, since it is smaller than the sum of its proper divisors (646207132).

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

550481900 is a wasteful number, since it uses less digits than its factorization.

550481900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9883 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 550481900 is about 23462.3506921195. The cubic root of 550481900 is about 819.5604922139.

The spelling of 550481900 in words is "five hundred fifty million, four hundred eighty-one thousand, nine hundred".