552731630 has 48 divisors (see below), whose sum is σ = 1141191072. Its totient is φ = 192244800.

The previous prime is 552731629. The next prime is 552731633. The reversal of 552731630 is 36137255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552731633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17900 + ... + 37760.

It is an arithmetic number, because the mean of its divisors is an integer number (23774814).

Almost surely, 2^552731630 is an apocalyptic number.

552731630 is an abundant number, since it is smaller than the sum of its proper divisors (588459442).

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

552731630 is a wasteful number, since it uses less digits than its factorization.

552731630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19913 (or 19902 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 552731630 is about 23510.2452135234. The cubic root of 552731630 is about 820.6754448624.

Adding to 552731630 its reverse (36137255), we get a palindrome (588868885).

The spelling of 552731630 in words is "five hundred fifty-two million, seven hundred thirty-one thousand, six hundred thirty".