551126000 has 80 divisors (see below), whose sum is σ = 1390678848. Its totient is φ = 210848000.

The previous prime is 551125999. The next prime is 551126047. The reversal of 551126000 is 621155.

It is a tau number, because it is divible by the number of its divisors (80).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40010 + ... + 51990.

Almost surely, 2^551126000 is an apocalyptic number.

551126000 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 551126000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695339424).

551126000 is an abundant number, since it is smaller than the sum of its proper divisors (839552848).

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

551126000 is a wasteful number, since it uses less digits than its factorization.

551126000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12027 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 551126000 is about 23476.0729254277. The cubic root of 551126000 is about 819.8800141712.

Adding to 551126000 its reverse (621155), we get a palindrome (551747155).

The spelling of 551126000 in words is "five hundred fifty-one million, one hundred twenty-six thousand".