3058557561 has 12 divisors (see below), whose sum is σ = 4425580692. Its totient is φ = 2035501056.

The previous prime is 3058557539. The next prime is 3058557563. The reversal of 3058557561 is 1657558503.

3058557561 is a `hidden beast` number, since 3 + 0 + 5 + 85 + 5 + 7 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1478018025 + 1580539536 = 38445^2 + 39756^2 .

It is not a de Polignac number, because 3058557561 - 2¹⁴ = 3058541177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3058557563) 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, 289296 + ... + 299681.

It is an arithmetic number, because the mean of its divisors is an integer number (368798391).

Almost surely, 2^3058557561 is an apocalyptic number.

It is an amenable number.

3058557561 is a deficient number, since it is larger than the sum of its proper divisors (1367023131).

3058557561 is a wasteful number, since it uses less digits than its factorization.

3058557561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589560 (or 589557 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The square root of 3058557561 is about 55304.2273339028. The cubic root of 3058557561 is about 1451.5730152308.

The spelling of 3058557561 in words is "three billion, fifty-eight million, five hundred fifty-seven thousand, five hundred sixty-one".