53591929 has 2 divisors, whose sum is σ = 53591930. Its totient is φ = 53591928.

The previous prime is 53591927. The next prime is 53591959. The reversal of 53591929 is 92919535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 3861225 = 7052^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 53591929 - 2¹ = 53591927 is a prime.

Together with 53591927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53591927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26795964 + 26795965.

It is an arithmetic number, because the mean of its divisors is an integer number (26795965).

Almost surely, 2^53591929 is an apocalyptic number.

It is an amenable number.

53591929 is a deficient number, since it is larger than the sum of its proper divisors (1).

53591929 is an equidigital number, since it uses as much as digits as its factorization.

53591929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109350, while the sum is 43.

The square root of 53591929 is about 7320.6508590425. The cubic root of 53591929 is about 377.0218005297.

The spelling of 53591929 in words is "fifty-three million, five hundred ninety-one thousand, nine hundred twenty-nine".