52840080 has 160 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 13252608.

The previous prime is 52840061. The next prime is 52840093. The reversal of 52840080 is 8004825.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36001 + ... + 37439.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^52840080 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 52840080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96422400).

52840080 is an abundant number, since it is smaller than the sum of its proper divisors (140004720).

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

52840080 is a wasteful number, since it uses less digits than its factorization.

52840080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 52840080 is about 7269.1182408873. The cubic root of 52840080 is about 375.2503927720.

The spelling of 52840080 in words is "fifty-two million, eight hundred forty thousand, eighty".