58645055861 has 4 divisors (see below), whose sum is σ = 67022920992. Its totient is φ = 50267190732.

The previous prime is 58645055809. The next prime is 58645055869. The reversal of 58645055861 is 16855054685.

58645055861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 58645055861 - 2⁶ = 58645055797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58645055869) 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, 4188932555 + ... + 4188932568.

It is an arithmetic number, because the mean of its divisors is an integer number (16755730248).

Almost surely, 2^58645055861 is an apocalyptic number.

It is an amenable number.

58645055861 is a deficient number, since it is larger than the sum of its proper divisors (8377865131).

58645055861 is an equidigital number, since it uses as much as digits as its factorization.

58645055861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377865130.

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 58645055861 in words is "fifty-eight billion, six hundred forty-five million, fifty-five thousand, eight hundred sixty-one".