58538421 has 6 divisors (see below), whose sum is σ = 84555510. Its totient is φ = 39025608.

The previous prime is 58538393. The next prime is 58538423. The reversal of 58538421 is 12483585.

It is a happy number.

58538421 is a `hidden beast` number, since 585 + 38 + 42 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 9678321 = 6990^2 + 3111^2 .

It is not a de Polignac number, because 58538421 - 2⁹ = 58537909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58538423) 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 5 ways as a sum of consecutive naturals, for example, 3252126 + ... + 3252143.

It is an arithmetic number, because the mean of its divisors is an integer number (14092585).

Almost surely, 2^58538421 is an apocalyptic number.

It is an amenable number.

58538421 is a deficient number, since it is larger than the sum of its proper divisors (26017089).

58538421 is a wasteful number, since it uses less digits than its factorization.

58538421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504275 (or 6504272 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 58538421 is about 7651.0405174721. The cubic root of 58538421 is about 388.2817704731.

The spelling of 58538421 in words is "fifty-eight million, five hundred thirty-eight thousand, four hundred twenty-one".