53504029 has 2 divisors, whose sum is σ = 53504030. Its totient is φ = 53504028.

The previous prime is 53503999. The next prime is 53504063. The reversal of 53504029 is 92040535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29268100 + 24235929 = 5410^2 + 4923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53504029 is a prime.

It is a super-2 number, since 2×53504029² = 5725362238465682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53503988 and 53504006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53504089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752014 + 26752015.

It is an arithmetic number, because the mean of its divisors is an integer number (26752015).

Almost surely, 2^53504029 is an apocalyptic number.

It is an amenable number.

53504029 is a deficient number, since it is larger than the sum of its proper divisors (1).

53504029 is an equidigital number, since it uses as much as digits as its factorization.

53504029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53504029 is about 7314.6448307488. The cubic root of 53504029 is about 376.8155608218.

The spelling of 53504029 in words is "fifty-three million, five hundred four thousand, twenty-nine".