552555648 has 128 divisors (see below), whose sum is σ = 1647993600. Its totient is φ = 182246400.

The previous prime is 552555631. The next prime is 552555671. The reversal of 552555648 is 846555255.

552555648 is a `hidden beast` number, since 5 + 52 + 5 + 556 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348265 + ... + 349847.

It is an arithmetic number, because the mean of its divisors is an integer number (12874950).

Almost surely, 2^552555648 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 552555648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823996800).

552555648 is an abundant number, since it is smaller than the sum of its proper divisors (1095437952).

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

552555648 is a wasteful number, since it uses less digits than its factorization.

552555648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1689 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The square root of 552555648 is about 23506.5022493777. The cubic root of 552555648 is about 820.5883384329.

The spelling of 552555648 in words is "five hundred fifty-two million, five hundred fifty-five thousand, six hundred forty-eight".