53061666616087 has 2 divisors, whose sum is σ = 53061666616088. Its totient is φ = 53061666616086.

The previous prime is 53061666616003. The next prime is 53061666616129. The reversal of 53061666616087 is 78061666616035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53061666616087 - 2⁷ = 53061666615959 is a prime.

It is a super-5 number, since 5×53061666616087⁵ (a number of 70 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53061666616687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26530833308043 + 26530833308044.

It is an arithmetic number, because the mean of its divisors is an integer number (26530833308044).

Almost surely, 2^{53061666616087} is an apocalyptic number.

53061666616087 is a deficient number, since it is larger than the sum of its proper divisors (1).

53061666616087 is an equidigital number, since it uses as much as digits as its factorization.

53061666616087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 53061666616087 in words is "fifty-three trillion, sixty-one billion, six hundred sixty-six million, six hundred sixteen thousand, eighty-seven".