53251305 has 16 divisors (see below), whose sum is σ = 85303680. Its totient is φ = 28366848.

The previous prime is 53251301. The next prime is 53251307. The reversal of 53251305 is 50315235.

53251305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53251305 - 2² = 53251301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53251301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15756 + ... + 18834.

It is an arithmetic number, because the mean of its divisors is an integer number (5331480).

Almost surely, 2^53251305 is an apocalyptic number.

It is an amenable number.

53251305 is a deficient number, since it is larger than the sum of its proper divisors (32052375).

53251305 is a wasteful number, since it uses less digits than its factorization.

53251305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53251305 is about 7297.3491762420. The cubic root of 53251305 is about 376.2213334892.

The spelling of 53251305 in words is "fifty-three million, two hundred fifty-one thousand, three hundred five".