550973444 has 18 divisors (see below), whose sum is σ = 1121624910. Its totient is φ = 236131392.

The previous prime is 550973443. The next prime is 550973503. The reversal of 550973444 is 444379055.

It can be written as a sum of positive squares in only one way, i.e., 522671044 + 28302400 = 22862^2 + 5320^2 .

It is a super-2 number, since 2×550973444² = 607143471986442272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550973443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405349 + ... + 1405740.

It is an arithmetic number, because the mean of its divisors is an integer number (62312495).

Almost surely, 2^550973444 is an apocalyptic number.

It is an amenable number.

550973444 is an abundant number, since it is smaller than the sum of its proper divisors (570651466).

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

550973444 is a wasteful number, since it uses less digits than its factorization.

550973444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811107 (or 2811098 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 550973444 is about 23472.8235199773. The cubic root of 550973444 is about 819.8043574502.

The spelling of 550973444 in words is "five hundred fifty million, nine hundred seventy-three thousand, four hundred forty-four".