53520768 has 96 divisors (see below), whose sum is σ = 176039760. Its totient is φ = 15289344.

The previous prime is 53520751. The next prime is 53520769. The reversal of 53520768 is 86702535.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520769) 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, 4746 + ... + 11382.

Almost surely, 2^53520768 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 53520768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88019880).

53520768 is an abundant number, since it is smaller than the sum of its proper divisors (122518992).

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

53520768 is a wasteful number, since it uses less digits than its factorization.

53520768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6649 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53520768 is about 7315.7889526694. The cubic root of 53520768 is about 376.8548529283.

The spelling of 53520768 in words is "fifty-three million, five hundred twenty thousand, seven hundred sixty-eight".