53087147 has 2 divisors, whose sum is σ = 53087148. Its totient is φ = 53087146.

The previous prime is 53087137. The next prime is 53087149. The reversal of 53087147 is 74178035.

53087147 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 not a de Polignac number, because 53087147 - 2²² = 48892843 is a prime.

Together with 53087149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53087149) 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, 26543573 + 26543574.

It is an arithmetic number, because the mean of its divisors is an integer number (26543574).

Almost surely, 2^53087147 is an apocalyptic number.

53087147 is a deficient number, since it is larger than the sum of its proper divisors (1).

53087147 is an equidigital number, since it uses as much as digits as its factorization.

53087147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 53087147 is about 7286.0927114606. The cubic root of 53087147 is about 375.8343425795.

The spelling of 53087147 in words is "fifty-three million, eighty-seven thousand, one hundred forty-seven".