552555630 has 96 divisors (see below), whose sum is σ = 1572086880. Its totient is φ = 133539840.

The previous prime is 552555613. The next prime is 552555631. The reversal of 552555630 is 36555255.

552555630 is a `hidden beast` number, since 55 + 25 + 556 + 30 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552555631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428026 + ... + 429314.

It is an arithmetic number, because the mean of its divisors is an integer number (16375905).

Almost surely, 2^552555630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552555630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786043440).

552555630 is an abundant number, since it is smaller than the sum of its proper divisors (1019531250).

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

552555630 is a wasteful number, since it uses less digits than its factorization.

552555630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 552555630 is about 23506.5018665049. The cubic root of 552555630 is about 820.5883295224.

The spelling of 552555630 in words is "five hundred fifty-two million, five hundred fifty-five thousand, six hundred thirty".