53249129 has 2 divisors, whose sum is σ = 53249130. Its totient is φ = 53249128.

The previous prime is 53249113. The next prime is 53249137. The reversal of 53249129 is 92194235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 10738729 = 6520^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 53249129 - 2⁴ = 53249113 is a prime.

It is not a weakly prime, because it can be changed into another prime (53249149) 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, 26624564 + 26624565.

It is an arithmetic number, because the mean of its divisors is an integer number (26624565).

Almost surely, 2^53249129 is an apocalyptic number.

It is an amenable number.

53249129 is a deficient number, since it is larger than the sum of its proper divisors (1).

53249129 is an equidigital number, since it uses as much as digits as its factorization.

53249129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 53249129 is about 7297.2000794825. The cubic root of 53249129 is about 376.2162089276.

The spelling of 53249129 in words is "fifty-three million, two hundred forty-nine thousand, one hundred twenty-nine".