552431444 has 6 divisors (see below), whose sum is σ = 966755034. Its totient is φ = 276215720.

The previous prime is 552431419. The next prime is 552431447. The reversal of 552431444 is 444134255.

It can be written as a sum of positive squares in only one way, i.e., 302412100 + 250019344 = 17390^2 + 15812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 552431444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552431447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69053927 + ... + 69053934.

It is an arithmetic number, because the mean of its divisors is an integer number (161125839).

Almost surely, 2^552431444 is an apocalyptic number.

It is an amenable number.

552431444 is a deficient number, since it is larger than the sum of its proper divisors (414323590).

552431444 is a wasteful number, since it uses less digits than its factorization.

552431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138107865 (or 138107863 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 552431444 is about 23503.8601935937. The cubic root of 552431444 is about 820.5268496085.

Adding to 552431444 its reverse (444134255), we get a palindrome (996565699).

The spelling of 552431444 in words is "five hundred fifty-two million, four hundred thirty-one thousand, four hundred forty-four".