550231400 has 48 divisors (see below), whose sum is σ = 1320570240. Its totient is φ = 212990400.

The previous prime is 550231387. The next prime is 550231411. The reversal of 550231400 is 4132055.

550231400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 38174 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (27511880).

Almost surely, 2^550231400 is an apocalyptic number.

550231400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550231400 is an abundant number, since it is smaller than the sum of its proper divisors (770338840).

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

550231400 is a wasteful number, since it uses less digits than its factorization.

550231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88794 (or 88785 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 550231400 is about 23457.0117448920. The cubic root of 550231400 is about 819.4361580913.

Adding to 550231400 its reverse (4132055), we get a palindrome (554363455).

The spelling of 550231400 in words is "five hundred fifty million, two hundred thirty-one thousand, four hundred".