60555613 has 2 divisors, whose sum is σ = 60555614. Its totient is φ = 60555612.

The previous prime is 60555611. The next prime is 60555629. The reversal of 60555613 is 31655506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32285124 + 28270489 = 5682^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 60555613 - 2¹ = 60555611 is a prime.

Together with 60555611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60555611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277806 + 30277807.

It is an arithmetic number, because the mean of its divisors is an integer number (30277807).

Almost surely, 2^60555613 is an apocalyptic number.

It is an amenable number.

60555613 is a deficient number, since it is larger than the sum of its proper divisors (1).

60555613 is an equidigital number, since it uses as much as digits as its factorization.

60555613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 60555613 is about 7781.7487109261. The cubic root of 60555613 is about 392.6914705390.

The spelling of 60555613 in words is "sixty million, five hundred fifty-five thousand, six hundred thirteen".