58221487 has 4 divisors (see below), whose sum is σ = 60752880. Its totient is φ = 55690096.

The previous prime is 58221479. The next prime is 58221557. The reversal of 58221487 is 78412285.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58221487 - 2³ = 58221479 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 (58221467) 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, 1265662 + ... + 1265707.

It is an arithmetic number, because the mean of its divisors is an integer number (15188220).

Almost surely, 2^58221487 is an apocalyptic number.

58221487 is a deficient number, since it is larger than the sum of its proper divisors (2531393).

58221487 is a wasteful number, since it uses less digits than its factorization.

58221487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531392.

The product of its digits is 35840, while the sum is 37.

The square root of 58221487 is about 7630.3005838564. The cubic root of 58221487 is about 387.5797674149.

The spelling of 58221487 in words is "fifty-eight million, two hundred twenty-one thousand, four hundred eighty-seven".