53331856 has 20 divisors (see below), whose sum is σ = 109409292. Its totient is φ = 25097216.

The previous prime is 53331853. The next prime is 53331881. The reversal of 53331856 is 65813335.

53331856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17139600 + 36192256 = 4140^2 + 6016^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (53331851) 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 3 ways as a sum of consecutive naturals, for example, 97765 + ... + 98308.

Almost surely, 2^53331856 is an apocalyptic number.

It is an amenable number.

53331856 is an abundant number, since it is smaller than the sum of its proper divisors (56077436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53331856 is a wasteful number, since it uses less digits than its factorization.

53331856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196098 (or 196092 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 53331856 is about 7302.8662866028. The cubic root of 53331856 is about 376.4109359606.

The spelling of 53331856 in words is "fifty-three million, three hundred thirty-one thousand, eight hundred fifty-six".