58668521 has 4 divisors (see below), whose sum is σ = 58700544. Its totient is φ = 58636500.

The previous prime is 58668497. The next prime is 58668529. The reversal of 58668521 is 12586685.

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 not a de Polignac number, because 58668521 - 2⁶ = 58668457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58668529) 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, 13085 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (14675136).

Almost surely, 2^58668521 is an apocalyptic number.

It is an amenable number.

58668521 is a deficient number, since it is larger than the sum of its proper divisors (32023).

58668521 is a wasteful number, since it uses less digits than its factorization.

58668521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32022.

The product of its digits is 115200, while the sum is 41.

The square root of 58668521 is about 7659.5379103442. The cubic root of 58668521 is about 388.5692060898.

The spelling of 58668521 in words is "fifty-eight million, six hundred sixty-eight thousand, five hundred twenty-one".