4535561556 has 36 divisors (see below), whose sum is σ = 11501549332. Its totient is φ = 1507019904.

The previous prime is 4535561551. The next prime is 4535561561. The reversal of 4535561556 is 6551655354.

4535561556 is a `hidden beast` number, since 4 + 5 + 35 + 5 + 61 + 556 = 666.

It is an interprime number because it is at equal distance from previous prime (4535561551) and next prime (4535561561).

It can be written as a sum of positive squares in 2 ways, for example, as 1977225156 + 2558336400 = 44466^2 + 50580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4535561556² = 41142637256530282272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4535561551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189991 + ... + 212526.

Almost surely, 2^4535561556 is an apocalyptic number.

It is an amenable number.

4535561556 is an abundant number, since it is smaller than the sum of its proper divisors (6965987776).

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

4535561556 is a wasteful number, since it uses less digits than its factorization.

4535561556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402840 (or 402835 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

The square root of 4535561556 is about 67346.5779086065. The cubic root of 4535561556 is about 1655.3011692887.

The spelling of 4535561556 in words is "four billion, five hundred thirty-five million, five hundred sixty-one thousand, five hundred fifty-six".