3553731648 has 84 divisors (see below), whose sum is σ = 10195334448. Its totient is φ = 1183507200.

The previous prime is 3553731589. The next prime is 3553731667. The reversal of 3553731648 is 8461373553.

3553731648 is a `hidden beast` number, since 3 + 553 + 7 + 31 + 64 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875223 + ... + 879273.

Almost surely, 2^3553731648 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 3553731648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5097667224).

3553731648 is an abundant number, since it is smaller than the sum of its proper divisors (6641602800).

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

3553731648 is a wasteful number, since it uses less digits than its factorization.

3553731648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592 (or 5579 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 3553731648 is about 59613.1835083482. The cubic root of 3553731648 is about 1526.0246304800.

The spelling of 3553731648 in words is "three billion, five hundred fifty-three million, seven hundred thirty-one thousand, six hundred forty-eight".