52406687 has 2 divisors, whose sum is σ = 52406688. Its totient is φ = 52406686.

The previous prime is 52406633. The next prime is 52406729. The reversal of 52406687 is 78660425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52406687 - 2¹⁰ = 52405663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52406687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52406587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26203343 + 26203344.

It is an arithmetic number, because the mean of its divisors is an integer number (26203344).

Almost surely, 2^52406687 is an apocalyptic number.

52406687 is a deficient number, since it is larger than the sum of its proper divisors (1).

52406687 is an equidigital number, since it uses as much as digits as its factorization.

52406687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 52406687 is about 7239.2463005481. The cubic root of 52406687 is about 374.2216436221.

The spelling of 52406687 in words is "fifty-two million, four hundred six thousand, six hundred eighty-seven".