53311845 has 16 divisors (see below), whose sum is σ = 85396032. Its totient is φ = 28400640.

The previous prime is 53311829. The next prime is 53311871. The reversal of 53311845 is 54811335.

It is not a de Polignac number, because 53311845 - 2⁴ = 53311829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17989 + ... + 20741.

It is an arithmetic number, because the mean of its divisors is an integer number (5337252).

Almost surely, 2^53311845 is an apocalyptic number.

It is an amenable number.

53311845 is a deficient number, since it is larger than the sum of its proper divisors (32084187).

53311845 is a wasteful number, since it uses less digits than its factorization.

53311845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052.

The product of its digits is 7200, while the sum is 30.

The square root of 53311845 is about 7301.4960795716. The cubic root of 53311845 is about 376.3638515218.

The spelling of 53311845 in words is "fifty-three million, three hundred eleven thousand, eight hundred forty-five".