53522656 has 72 divisors (see below), whose sum is σ = 121059792. Its totient is φ = 23232000.

The previous prime is 53522653. The next prime is 53522657. The reversal of 53522656 is 65622535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53522653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88756 + ... + 89356.

It is an arithmetic number, because the mean of its divisors is an integer number (1681386).

Almost surely, 2^53522656 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 53522656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60529896).

53522656 is an abundant number, since it is smaller than the sum of its proper divisors (67537136).

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

53522656 is a wasteful number, since it uses less digits than its factorization.

53522656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 637 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 53522656 is about 7315.9179875119. The cubic root of 53522656 is about 376.8592841900.

It can be divided in two parts, 5352 and 2656, that added together give a palindrome (8008).

The spelling of 53522656 in words is "fifty-three million, five hundred twenty-two thousand, six hundred fifty-six".