550801400 has 48 divisors (see below), whose sum is σ = 1289891400. Its totient is φ = 218724480.

The previous prime is 550801367. The next prime is 550801409. The reversal of 550801400 is 4108055.

550801400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550801409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17894 + ... + 37706.

Almost surely, 2^550801400 is an apocalyptic number.

550801400 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 550801400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644945700).

550801400 is an abundant number, since it is smaller than the sum of its proper divisors (739090000).

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

550801400 is a wasteful number, since it uses less digits than its factorization.

550801400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968 (or 19959 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 550801400 is about 23469.1584851268. The cubic root of 550801400 is about 819.7190193361.

Adding to 550801400 its reverse (4108055), we get a palindrome (554909455).

The spelling of 550801400 in words is "five hundred fifty million, eight hundred one thousand, four hundred".