58000021 has 8 divisors (see below), whose sum is σ = 59814144. Its totient is φ = 56210160.

The previous prime is 58000013. The next prime is 58000031. The reversal of 58000021 is 12000085.

It is a happy number.

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 58000021 - 2³ = 58000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57999959 and 58000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58000031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (7476768).

Almost surely, 2^58000021 is an apocalyptic number.

It is an amenable number.

58000021 is a deficient number, since it is larger than the sum of its proper divisors (1814123).

58000021 is a wasteful number, since it uses less digits than its factorization.

58000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 58000021 is about 7615.7744845813. The cubic root of 58000021 is about 387.0877107803.

The spelling of 58000021 in words is "fifty-eight million, twenty-one", and thus it is an aban number and an uban number.