3553640556 has 24 divisors (see below), whose sum is σ = 8297123520. Its totient is φ = 1183790352.

The previous prime is 3553640551. The next prime is 3553640557. The reversal of 3553640556 is 6550463553.

It is a super-2 number, since 2×3553640556² = 25256722402495978272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3553640551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74826 + ... + 112721.

It is an arithmetic number, because the mean of its divisors is an integer number (345713480).

Almost surely, 2^3553640556 is an apocalyptic number.

It is an amenable number.

3553640556 is an abundant number, since it is smaller than the sum of its proper divisors (4743482964).

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

3553640556 is a wasteful number, since it uses less digits than its factorization.

3553640556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189133 (or 189131 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The square root of 3553640556 is about 59612.4194778236. The cubic root of 3553640556 is about 1526.0115916204.

The spelling of 3553640556 in words is "three billion, five hundred fifty-three million, six hundred forty thousand, five hundred fifty-six".