58564561 has 4 divisors (see below), whose sum is σ = 63888624. Its totient is φ = 53240500.

The previous prime is 58564553. The next prime is 58564573. The reversal of 58564561 is 16546585.

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 58564561 - 2³ = 58564553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58564511) 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, 2662015 + ... + 2662036.

It is an arithmetic number, because the mean of its divisors is an integer number (15972156).

Almost surely, 2^58564561 is an apocalyptic number.

It is an amenable number.

58564561 is a deficient number, since it is larger than the sum of its proper divisors (5324063).

58564561 is a wasteful number, since it uses less digits than its factorization.

58564561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324062.

The product of its digits is 144000, while the sum is 40.

The square root of 58564561 is about 7652.7485911926. The cubic root of 58564561 is about 388.3395568803.

The spelling of 58564561 in words is "fifty-eight million, five hundred sixty-four thousand, five hundred sixty-one".