53111305 has 16 divisors (see below), whose sum is σ = 69511680. Its totient is φ = 38720448.

The previous prime is 53111293. The next prime is 53111323. The reversal of 53111305 is 50311135.

It is not a de Polignac number, because 53111305 - 2⁹ = 53110793 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 37 + ... + 10306.

It is an arithmetic number, because the mean of its divisors is an integer number (4344480).

Almost surely, 2^53111305 is an apocalyptic number.

It is an amenable number.

53111305 is a deficient number, since it is larger than the sum of its proper divisors (16400375).

53111305 is a wasteful number, since it uses less digits than its factorization.

53111305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 53111305 is about 7287.7503387534. The cubic root of 53111305 is about 375.8913433770.

It can be divided in two parts, 5311130 and 5, that added together give a palindrome (5311135).

The spelling of 53111305 in words is "fifty-three million, one hundred eleven thousand, three hundred five".