53381129 has 2 divisors, whose sum is σ = 53381130. Its totient is φ = 53381128.

The previous prime is 53381023. The next prime is 53381131. The reversal of 53381129 is 92118335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 7507600 = 6773^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 53381129 - 2¹² = 53377033 is a prime.

Together with 53381131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53381095 and 53381104.

It is not a weakly prime, because it can be changed into another prime (53381179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26690564 + 26690565.

It is an arithmetic number, because the mean of its divisors is an integer number (26690565).

Almost surely, 2^53381129 is an apocalyptic number.

It is an amenable number.

53381129 is a deficient number, since it is larger than the sum of its proper divisors (1).

53381129 is an equidigital number, since it uses as much as digits as its factorization.

53381129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 53381129 is about 7306.2390461851. The cubic root of 53381129 is about 376.5268215905.

The spelling of 53381129 in words is "fifty-three million, three hundred eighty-one thousand, one hundred twenty-nine".