53531047 has 2 divisors, whose sum is σ = 53531048. Its totient is φ = 53531046.

The previous prime is 53531041. The next prime is 53531053. The reversal of 53531047 is 74013535.

53531047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (53531041) and next prime (53531053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53531047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53531041) 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, 26765523 + 26765524.

It is an arithmetic number, because the mean of its divisors is an integer number (26765524).

Almost surely, 2^53531047 is an apocalyptic number.

53531047 is a deficient number, since it is larger than the sum of its proper divisors (1).

53531047 is an equidigital number, since it uses as much as digits as its factorization.

53531047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 53531047 is about 7316.4914405745. The cubic root of 53531047 is about 376.8789771652.

It can be divided in two parts, 5353 and 1047, that added together give a square (6400 = 80²).

The spelling of 53531047 in words is "fifty-three million, five hundred thirty-one thousand, forty-seven".