551024144 has 20 divisors (see below), whose sum is σ = 1164665040. Its totient is φ = 250465440.

The previous prime is 551024143. The next prime is 551024153. The reversal of 551024144 is 441420155.

It is not an unprimeable number, because it can be changed into a prime (551024141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565234 + ... + 1565585.

It is an arithmetic number, because the mean of its divisors is an integer number (58233252).

Almost surely, 2^551024144 is an apocalyptic number.

It is an amenable number.

551024144 is an abundant number, since it is smaller than the sum of its proper divisors (613640896).

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

551024144 is a wasteful number, since it uses less digits than its factorization.

551024144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130838 (or 3130832 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 551024144 is about 23473.9034674679. The cubic root of 551024144 is about 819.8295025254.

Adding to 551024144 its reverse (441420155), we get a palindrome (992444299).

The spelling of 551024144 in words is "five hundred fifty-one million, twenty-four thousand, one hundred forty-four".