58320989 has 2 divisors, whose sum is σ = 58320990. Its totient is φ = 58320988.

The previous prime is 58320973. The next prime is 58321009. The reversal of 58320989 is 98902385.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 7198489 = 7150^2 + 2683^2 .

It is a cyclic number.

It is not a de Polignac number, because 58320989 - 2⁴ = 58320973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58320919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29160494 + 29160495.

It is an arithmetic number, because the mean of its divisors is an integer number (29160495).

Almost surely, 2^58320989 is an apocalyptic number.

It is an amenable number.

58320989 is a deficient number, since it is larger than the sum of its proper divisors (1).

58320989 is an equidigital number, since it uses as much as digits as its factorization.

58320989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 58320989 is about 7636.8179891890. The cubic root of 58320989 is about 387.8004363085.

The spelling of 58320989 in words is "fifty-eight million, three hundred twenty thousand, nine hundred eighty-nine".