53323968 has 126 divisors (see below), whose sum is σ = 154864308. Its totient is φ = 16189440.

The previous prime is 53323957. The next prime is 53323969. The reversal of 53323968 is 86932335.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53323969) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1720113 + ... + 1720143.

Almost surely, 2^53323968 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 53323968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77432154).

53323968 is an abundant number, since it is smaller than the sum of its proper divisors (101540340).

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

53323968 is a wasteful number, since it uses less digits than its factorization.

53323968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 53 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 53323968 is about 7302.3262047104. The cubic root of 53323968 is about 376.3923774724.

The spelling of 53323968 in words is "fifty-three million, three hundred twenty-three thousand, nine hundred sixty-eight".