552005144 has 8 divisors (see below), whose sum is σ = 1035009660. Its totient is φ = 276002568.

The previous prime is 552005141. The next prime is 552005149. The reversal of 552005144 is 441500255.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552005141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34500314 + ... + 34500329.

Almost surely, 2^552005144 is an apocalyptic number.

It is an amenable number.

552005144 is a deficient number, since it is larger than the sum of its proper divisors (483004516).

552005144 is a wasteful number, since it uses less digits than its factorization.

552005144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69000649 (or 69000645 counting only the distinct ones).

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

The square root of 552005144 is about 23494.7897202763. The cubic root of 552005144 is about 820.3157340552.

Adding to 552005144 its reverse (441500255), we get a palindrome (993505399).

The spelling of 552005144 in words is "five hundred fifty-two million, five thousand, one hundred forty-four".