58319821 has 8 divisors (see below), whose sum is σ = 66739904. Its totient is φ = 49921920.

The previous prime is 58319819. The next prime is 58319837. The reversal of 58319821 is 12891385.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 58319821 - 2¹ = 58319819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58319801) 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 7 ways as a sum of consecutive naturals, for example, 541 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (8342488).

Almost surely, 2^58319821 is an apocalyptic number.

It is an amenable number.

58319821 is a deficient number, since it is larger than the sum of its proper divisors (8420083).

58319821 is a wasteful number, since it uses less digits than its factorization.

58319821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091.

The product of its digits is 17280, while the sum is 37.

The square root of 58319821 is about 7636.7415171656. The cubic root of 58319821 is about 387.7978474524.

The spelling of 58319821 in words is "fifty-eight million, three hundred nineteen thousand, eight hundred twenty-one".