53630429 has 2 divisors, whose sum is σ = 53630430. Its totient is φ = 53630428.

The previous prime is 53630389. The next prime is 53630441. The reversal of 53630429 is 92403635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46607929 + 7022500 = 6827^2 + 2650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53630429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53630395 and 53630404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53639429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26815214 + 26815215.

It is an arithmetic number, because the mean of its divisors is an integer number (26815215).

Almost surely, 2^53630429 is an apocalyptic number.

It is an amenable number.

53630429 is a deficient number, since it is larger than the sum of its proper divisors (1).

53630429 is an equidigital number, since it uses as much as digits as its factorization.

53630429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 53630429 is about 7323.2799345648. The cubic root of 53630429 is about 377.1120620366.

The spelling of 53630429 in words is "fifty-three million, six hundred thirty thousand, four hundred twenty-nine".