551025044 has 12 divisors (see below), whose sum is σ = 964635168. Its totient is φ = 275415000.

The previous prime is 551025043. The next prime is 551025049. The reversal of 551025044 is 440520155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551025043) 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, 10832 + ... + 34919.

It is an arithmetic number, because the mean of its divisors is an integer number (80386264).

Almost surely, 2^551025044 is an apocalyptic number.

It is an amenable number.

551025044 is a deficient number, since it is larger than the sum of its proper divisors (413610124).

551025044 is a wasteful number, since it uses less digits than its factorization.

551025044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48766 (or 48764 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 551025044 is about 23473.9226376846. The cubic root of 551025044 is about 819.8299488738.

Adding to 551025044 its reverse (440520155), we get a palindrome (991545199).

The spelling of 551025044 in words is "five hundred fifty-one million, twenty-five thousand, forty-four".