58316021 has 4 divisors (see below), whose sum is σ = 58673952. Its totient is φ = 57958092.

The previous prime is 58316003. The next prime is 58316047. The reversal of 58316021 is 12061385.

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 a de Polignac number, because none of the positive numbers 2^k-58316021 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 (58316081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178721 + ... + 179046.

It is an arithmetic number, because the mean of its divisors is an integer number (14668488).

Almost surely, 2^58316021 is an apocalyptic number.

It is an amenable number.

58316021 is a deficient number, since it is larger than the sum of its proper divisors (357931).

58316021 is a wasteful number, since it uses less digits than its factorization.

58316021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357930.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 58316021 is about 7636.4927159004. The cubic root of 58316021 is about 387.7894245652.

The spelling of 58316021 in words is "fifty-eight million, three hundred sixteen thousand, twenty-one".