3553000561 has 12 divisors (see below), whose sum is σ = 4135093956. Its totient is φ = 3039998720.

The previous prime is 3553000559. The next prime is 3553000573. The reversal of 3553000561 is 1650003553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3235448161 + 317552400 = 56881^2 + 17820^2 .

It is not a de Polignac number, because 3553000561 - 2¹ = 3553000559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3553000541) 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, 861580 + ... + 865693.

It is an arithmetic number, because the mean of its divisors is an integer number (344591163).

Almost surely, 2^3553000561 is an apocalyptic number.

It is an amenable number.

3553000561 is a deficient number, since it is larger than the sum of its proper divisors (582093395).

3553000561 is a wasteful number, since it uses less digits than its factorization.

3553000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727312 (or 1727301 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 3553000561 is about 59607.0512691242. The cubic root of 3553000561 is about 1525.9199768000.

The spelling of 3553000561 in words is "three billion, five hundred fifty-three million, five hundred sixty-one", and thus it is an aban number.