53531347 has 2 divisors, whose sum is σ = 53531348. Its totient is φ = 53531346.

The previous prime is 53531329. The next prime is 53531369. The reversal of 53531347 is 74313535.

53531347 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-53531347 is a prime.

It is a super-2 number, since 2×53531347² = 5731210223268818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53531047) 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, 26765673 + 26765674.

It is an arithmetic number, because the mean of its divisors is an integer number (26765674).

Almost surely, 2^53531347 is an apocalyptic number.

53531347 is a deficient number, since it is larger than the sum of its proper divisors (1).

53531347 is an equidigital number, since it uses as much as digits as its factorization.

53531347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 31.

The square root of 53531347 is about 7316.5119421757. The cubic root of 53531347 is about 376.8796812020.

The spelling of 53531347 in words is "fifty-three million, five hundred thirty-one thousand, three hundred forty-seven".