53280637 has 2 divisors, whose sum is σ = 53280638. Its totient is φ = 53280636.

The previous prime is 53280589. The next prime is 53280653. The reversal of 53280637 is 73608235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49196196 + 4084441 = 7014^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280637 - 2¹⁵ = 53247869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53280137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640318 + 26640319.

It is an arithmetic number, because the mean of its divisors is an integer number (26640319).

Almost surely, 2^53280637 is an apocalyptic number.

It is an amenable number.

53280637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53280637 is an equidigital number, since it uses as much as digits as its factorization.

53280637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53280637 is about 7299.3586704587. The cubic root of 53280637 is about 376.2903978286.

The spelling of 53280637 in words is "fifty-three million, two hundred eighty thousand, six hundred thirty-seven".