53357856 has 48 divisors (see below), whose sum is σ = 142720704. Its totient is φ = 17448704.

The previous prime is 53357807. The next prime is 53357867. The reversal of 53357856 is 65875335.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 156 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (2973348).

Almost surely, 2^53357856 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 53357856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71360352).

53357856 is an abundant number, since it is smaller than the sum of its proper divisors (89362848).

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

53357856 is a wasteful number, since it uses less digits than its factorization.

53357856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553 (or 10545 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 53357856 is about 7304.6461926640. The cubic root of 53357856 is about 376.4720944946.

The spelling of 53357856 in words is "fifty-three million, three hundred fifty-seven thousand, eight hundred fifty-six".