53353856 has 32 divisors (see below), whose sum is σ = 107369280. Its totient is φ = 26406400.

The previous prime is 53353831. The next prime is 53353879. The reversal of 53353856 is 65835335.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10865 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (3355290).

Almost surely, 2^53353856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53353856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53684640).

53353856 is an abundant number, since it is smaller than the sum of its proper divisors (54015424).

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

53353856 is a wasteful number, since it uses less digits than its factorization.

53353856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242 (or 4230 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 53353856 is about 7304.3723891927. The cubic root of 53353856 is about 376.4626867827.

The spelling of 53353856 in words is "fifty-three million, three hundred fifty-three thousand, eight hundred fifty-six".