53688473 has 2 divisors, whose sum is σ = 53688474. Its totient is φ = 53688472.

The previous prime is 53688461. The next prime is 53688487. The reversal of 53688473 is 37488635.

53688473 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 can be written as a sum of positive squares in only one way, i.e., 41319184 + 12369289 = 6428^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 53688473 - 2¹² = 53684377 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (53688413) 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, 26844236 + 26844237.

It is an arithmetic number, because the mean of its divisors is an integer number (26844237).

Almost surely, 2^53688473 is an apocalyptic number.

It is an amenable number.

53688473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53688473 is an equidigital number, since it uses as much as digits as its factorization.

53688473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 53688473 is about 7327.2418412388. The cubic root of 53688473 is about 377.2480619460.

The spelling of 53688473 in words is "fifty-three million, six hundred eighty-eight thousand, four hundred seventy-three".