552863640 has 128 divisors (see below), whose sum is σ = 1904094720. Its totient is φ = 125798400.

The previous prime is 552863603. The next prime is 552863651. The reversal of 552863640 is 46368255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201075 + ... + 203805.

It is an arithmetic number, because the mean of its divisors is an integer number (14875740).

Almost surely, 2^552863640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552863640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952047360).

552863640 is an abundant number, since it is smaller than the sum of its proper divisors (1351231080).

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

552863640 is a wasteful number, since it uses less digits than its factorization.

552863640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 552863640 is about 23513.0525453417. The cubic root of 552863640 is about 820.7407741807.

The spelling of 552863640 in words is "five hundred fifty-two million, eight hundred sixty-three thousand, six hundred forty".