551241144 has 96 divisors (see below), whose sum is σ = 1522560000. Its totient is φ = 180138816.

The previous prime is 551241139. The next prime is 551241149. The reversal of 551241144 is 441142155.

551241144 is a `hidden beast` number, since 5 + 512 + 4 + 1 + 144 = 666.

It is an interprime number because it is at equal distance from previous prime (551241139) and next prime (551241149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551241149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131669 + ... + 1132155.

It is an arithmetic number, because the mean of its divisors is an integer number (15860000).

Almost surely, 2^551241144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551241144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761280000).

551241144 is an abundant number, since it is smaller than the sum of its proper divisors (971318856).

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

551241144 is a wasteful number, since it uses less digits than its factorization.

551241144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 770 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 551241144 is about 23478.5251666283. The cubic root of 551241144 is about 819.9371080061.

Adding to 551241144 its reverse (441142155), we get a palindrome (992383299).

It can be divided in two parts, 5512 and 41144, that added together give a 6-th power (46656 = 6⁶).

The spelling of 551241144 in words is "five hundred fifty-one million, two hundred forty-one thousand, one hundred forty-four".