53552287 has 2 divisors, whose sum is σ = 53552288. Its totient is φ = 53552286.

The previous prime is 53552269. The next prime is 53552297. The reversal of 53552287 is 78225535.

53552287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53552287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53552267) 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, 26776143 + 26776144.

It is an arithmetic number, because the mean of its divisors is an integer number (26776144).

Almost surely, 2^53552287 is an apocalyptic number.

53552287 is a deficient number, since it is larger than the sum of its proper divisors (1).

53552287 is an equidigital number, since it uses as much as digits as its factorization.

53552287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 37.

The square root of 53552287 is about 7317.9428120203. The cubic root of 53552287 is about 376.9288164730.

The spelling of 53552287 in words is "fifty-three million, five hundred fifty-two thousand, two hundred eighty-seven".