58216643 has 4 divisors (see below), whose sum is σ = 58641720. Its totient is φ = 57791568.

The previous prime is 58216637. The next prime is 58216649. The reversal of 58216643 is 34661285.

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

It is an interprime number because it is at equal distance from previous prime (58216637) and next prime (58216649).

It is a cyclic number.

It is not a de Polignac number, because 58216643 - 2⁶ = 58216579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58216649) 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, 212333 + ... + 212606.

It is an arithmetic number, because the mean of its divisors is an integer number (14660430).

Almost surely, 2^58216643 is an apocalyptic number.

58216643 is a deficient number, since it is larger than the sum of its proper divisors (425077).

58216643 is a wasteful number, since it uses less digits than its factorization.

58216643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425076.

The product of its digits is 34560, while the sum is 35.

The square root of 58216643 is about 7629.9831585659. The cubic root of 58216643 is about 387.5690182994.

The spelling of 58216643 in words is "fifty-eight million, two hundred sixteen thousand, six hundred forty-three".