52840002 has 8 divisors (see below), whose sum is σ = 105680016. Its totient is φ = 17613332.

The previous prime is 52839989. The next prime is 52840009. The reversal of 52840002 is 20004825.

It is a sphenic number, since it is the product of 3 distinct primes.

52840002 is an admirable number.

It is a super-2 number, since 2×52840002² = 5584131622720008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52840009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403328 + ... + 4403339.

It is an arithmetic number, because the mean of its divisors is an integer number (13210002).

Almost surely, 2^52840002 is an apocalyptic number.

52840002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52840002 is a wasteful number, since it uses less digits than its factorization.

52840002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806672.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 52840002 is about 7269.1128757229. The cubic root of 52840002 is about 375.2502081297.

Adding to 52840002 its reverse (20004825), we get a palindrome (72844827).

The spelling of 52840002 in words is "fifty-two million, eight hundred forty thousand, two".