58043221 has 4 divisors (see below), whose sum is σ = 58063500. Its totient is φ = 58022944.

The previous prime is 58043213. The next prime is 58043231. The reversal of 58043221 is 12234085.

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 662596 + 57380625 = 814^2 + 7575^2 .

It is a cyclic number.

It is not a de Polignac number, because 58043221 - 2³ = 58043213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58043231) 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, 4966 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (14515875).

Almost surely, 2^58043221 is an apocalyptic number.

It is an amenable number.

58043221 is a deficient number, since it is larger than the sum of its proper divisors (20279).

58043221 is a wasteful number, since it uses less digits than its factorization.

58043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20278.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 58043221 is about 7618.6101750910. The cubic root of 58043221 is about 387.1837914300.

It can be divided in two parts, 5804 and 3221, that added together give a square (9025 = 95²).

The spelling of 58043221 in words is "fifty-eight million, forty-three thousand, two hundred twenty-one".