53187829 has 2 divisors, whose sum is σ = 53187830. Its totient is φ = 53187828.

The previous prime is 53187809. The next prime is 53187839. The reversal of 53187829 is 92878135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 25908100 = 5223^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 53187829 - 2¹⁵ = 53155061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53187809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26593914 + 26593915.

It is an arithmetic number, because the mean of its divisors is an integer number (26593915).

Almost surely, 2^53187829 is an apocalyptic number.

It is an amenable number.

53187829 is a deficient number, since it is larger than the sum of its proper divisors (1).

53187829 is an equidigital number, since it uses as much as digits as its factorization.

53187829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 53187829 is about 7292.9986288220. The cubic root of 53187829 is about 376.0717877304.

The spelling of 53187829 in words is "fifty-three million, one hundred eighty-seven thousand, eight hundred twenty-nine".