58481221 has 8 divisors (see below), whose sum is σ = 63545600. Its totient is φ = 53615520.

The previous prime is 58481191. The next prime is 58481231. The reversal of 58481221 is 12218485.

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 58481221 - 2¹¹ = 58479173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58481231) 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, 49056 + ... + 50233.

It is an arithmetic number, because the mean of its divisors is an integer number (7943200).

Almost surely, 2^58481221 is an apocalyptic number.

It is an amenable number.

58481221 is a deficient number, since it is larger than the sum of its proper divisors (5064379).

58481221 is a wasteful number, since it uses less digits than its factorization.

58481221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99339.

The product of its digits is 5120, while the sum is 31.

The square root of 58481221 is about 7647.3015502202. The cubic root of 58481221 is about 388.1552612233.

The spelling of 58481221 in words is "fifty-eight million, four hundred eighty-one thousand, two hundred twenty-one".