52764720 has 80 divisors (see below), whose sum is σ = 165153120. Its totient is φ = 13934592.

The previous prime is 52764713. The next prime is 52764721. The reversal of 52764720 is 2746725.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (52764721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25152 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (2064414).

Almost surely, 2^52764720 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 52764720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82576560).

52764720 is an abundant number, since it is smaller than the sum of its proper divisors (112388400).

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

52764720 is a wasteful number, since it uses less digits than its factorization.

52764720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 52764720 is about 7263.9328190726. The cubic root of 52764720 is about 375.0719150966.

The spelling of 52764720 in words is "fifty-two million, seven hundred sixty-four thousand, seven hundred twenty".