58345891 has 4 divisors (see below), whose sum is σ = 58432752. Its totient is φ = 58259032.

The previous prime is 58345843. The next prime is 58345897. The reversal of 58345891 is 19854385.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58345891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58345897) 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, 42415 + ... + 43768.

It is an arithmetic number, because the mean of its divisors is an integer number (14608188).

Almost surely, 2^58345891 is an apocalyptic number.

58345891 is a deficient number, since it is larger than the sum of its proper divisors (86861).

58345891 is an equidigital number, since it uses as much as digits as its factorization.

58345891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86860.

The product of its digits is 172800, while the sum is 43.

The square root of 58345891 is about 7638.4482062786. The cubic root of 58345891 is about 387.8556230289.

The spelling of 58345891 in words is "fifty-eight million, three hundred forty-five thousand, eight hundred ninety-one".