53086687 has 2 divisors, whose sum is σ = 53086688. Its totient is φ = 53086686.

The previous prime is 53086669. The next prime is 53086697. The reversal of 53086687 is 78668035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53086687 - 2¹¹ = 53084639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53086697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26543343 + 26543344.

It is an arithmetic number, because the mean of its divisors is an integer number (26543344).

Almost surely, 2^53086687 is an apocalyptic number.

53086687 is a deficient number, since it is larger than the sum of its proper divisors (1).

53086687 is an equidigital number, since it uses as much as digits as its factorization.

53086687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 53086687 is about 7286.0611444044. The cubic root of 53086687 is about 375.8332570418.

The spelling of 53086687 in words is "fifty-three million, eighty-six thousand, six hundred eighty-seven".