58491157 has 2 divisors, whose sum is σ = 58491158. Its totient is φ = 58491156.

The previous prime is 58491151. The next prime is 58491161. The reversal of 58491157 is 75119485.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58384881 + 106276 = 7641^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 58491157 - 2⁷ = 58491029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58491151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29245578 + 29245579.

It is an arithmetic number, because the mean of its divisors is an integer number (29245579).

Almost surely, 2^58491157 is an apocalyptic number.

It is an amenable number.

58491157 is a deficient number, since it is larger than the sum of its proper divisors (1).

58491157 is an equidigital number, since it uses as much as digits as its factorization.

58491157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 40.

The square root of 58491157 is about 7647.9511635470. The cubic root of 58491157 is about 388.1772425945.

The spelling of 58491157 in words is "fifty-eight million, four hundred ninety-one thousand, one hundred fifty-seven".