53887523 has 2 divisors, whose sum is σ = 53887524. Its totient is φ = 53887522.

The previous prime is 53887513. The next prime is 53887549. The reversal of 53887523 is 32578835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53887523 - 2⁴ = 53887507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53887513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26943761 + 26943762.

It is an arithmetic number, because the mean of its divisors is an integer number (26943762).

Almost surely, 2^53887523 is an apocalyptic number.

53887523 is a deficient number, since it is larger than the sum of its proper divisors (1).

53887523 is an equidigital number, since it uses as much as digits as its factorization.

53887523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 53887523 is about 7340.8121485296. The cubic root of 53887523 is about 377.7137026628.

The spelling of 53887523 in words is "fifty-three million, eight hundred eighty-seven thousand, five hundred twenty-three".