58613561 has 4 divisors (see below), whose sum is σ = 58636800. Its totient is φ = 58590324.

The previous prime is 58613549. The next prime is 58613567. The reversal of 58613561 is 16531685.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58613561 - 2¹⁴ = 58597177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58613567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7301 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (14659200).

Almost surely, 2^58613561 is an apocalyptic number.

It is an amenable number.

58613561 is a deficient number, since it is larger than the sum of its proper divisors (23239).

58613561 is a wasteful number, since it uses less digits than its factorization.

58613561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238.

The product of its digits is 21600, while the sum is 35.

The square root of 58613561 is about 7655.9493859351. The cubic root of 58613561 is about 388.4478324508.

The spelling of 58613561 in words is "fifty-eight million, six hundred thirteen thousand, five hundred sixty-one".