58083721 has 4 divisors (see below), whose sum is σ = 58250500. Its totient is φ = 57916944.

The previous prime is 58083667. The next prime is 58083733. The reversal of 58083721 is 12738085.

58083721 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.

It can be written as a sum of positive squares in 2 ways, for example, as 43560000 + 14523721 = 6600^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 58083721 - 2¹⁷ = 57952649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58083761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82866 + ... + 83563.

It is an arithmetic number, because the mean of its divisors is an integer number (14562625).

Almost surely, 2^58083721 is an apocalyptic number.

It is an amenable number.

58083721 is a deficient number, since it is larger than the sum of its proper divisors (166779).

58083721 is a wasteful number, since it uses less digits than its factorization.

58083721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166778.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 58083721 is about 7621.2676767058. The cubic root of 58083721 is about 387.2738237515.

The spelling of 58083721 in words is "fifty-eight million, eighty-three thousand, seven hundred twenty-one".