52761487 has 2 divisors, whose sum is σ = 52761488. Its totient is φ = 52761486.

The previous prime is 52761463. The next prime is 52761529. The reversal of 52761487 is 78416725.

52761487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52761487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52761437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26380743 + 26380744.

It is an arithmetic number, because the mean of its divisors is an integer number (26380744).

Almost surely, 2^52761487 is an apocalyptic number.

52761487 is a deficient number, since it is larger than the sum of its proper divisors (1).

52761487 is an equidigital number, since it uses as much as digits as its factorization.

52761487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 52761487 is about 7263.7102778126. The cubic root of 52761487 is about 375.0642544712.

The spelling of 52761487 in words is "fifty-two million, seven hundred sixty-one thousand, four hundred eighty-seven".