53181473 has 2 divisors, whose sum is σ = 53181474. Its totient is φ = 53181472.

The previous prime is 53181413. The next prime is 53181509. The reversal of 53181473 is 37418135.

53181473 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 can be written as a sum of positive squares in only one way, i.e., 27699169 + 25482304 = 5263^2 + 5048^2 .

It is a cyclic number.

It is not a de Polignac number, because 53181473 - 2¹⁴ = 53165089 is a prime.

It is not a weakly prime, because it can be changed into another prime (53181413) 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, 26590736 + 26590737.

It is an arithmetic number, because the mean of its divisors is an integer number (26590737).

Almost surely, 2^53181473 is an apocalyptic number.

It is an amenable number.

53181473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53181473 is an equidigital number, since it uses as much as digits as its factorization.

53181473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 53181473 is about 7292.5628554028. The cubic root of 53181473 is about 376.0568068124.

The spelling of 53181473 in words is "fifty-three million, one hundred eighty-one thousand, four hundred seventy-three".