550889400 has 48 divisors (see below), whose sum is σ = 1707759000. Its totient is φ = 146903680.

The previous prime is 550889377. The next prime is 550889419. The reversal of 550889400 is 4988055.

It is a congruent number.

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, 458475 + ... + 459674.

Almost surely, 2^550889400 is an apocalyptic number.

550889400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550889400 is an abundant number, since it is smaller than the sum of its proper divisors (1156869600).

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

550889400 is a wasteful number, since it uses less digits than its factorization.

550889400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918168 (or 918159 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 550889400 is about 23471.0332111733. The cubic root of 550889400 is about 819.7626717503.

The spelling of 550889400 in words is "five hundred fifty million, eight hundred eighty-nine thousand, four hundred".