52816080 has 80 divisors (see below), whose sum is σ = 164453760. Its totient is φ = 14022144.

The previous prime is 52816079. The next prime is 52816091. The reversal of 52816080 is 8061825.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85854 + ... + 86466.

It is an arithmetic number, because the mean of its divisors is an integer number (2055672).

Almost surely, 2^52816080 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 52816080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82226880).

52816080 is an abundant number, since it is smaller than the sum of its proper divisors (111637680).

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

52816080 is a wasteful number, since it uses less digits than its factorization.

52816080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 52816080 is about 7267.4672341883. The cubic root of 52816080 is about 375.1935711745.

The spelling of 52816080 in words is "fifty-two million, eight hundred sixteen thousand, eighty".