52840004 has 12 divisors (see below), whose sum is σ = 105680064. Its totient is φ = 22645704.

The previous prime is 52839989. The next prime is 52840009. The reversal of 52840004 is 40004825.

52840004 is an admirable number.

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, 943544 + ... + 943599.

It is an arithmetic number, because the mean of its divisors is an integer number (8806672).

Almost surely, 2^52840004 is an apocalyptic number.

It is an amenable number.

52840004 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.

52840004 is a wasteful number, since it uses less digits than its factorization.

52840004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887154 (or 1887152 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 52840004 is about 7269.1130132912. The cubic root of 52840004 is about 375.2502128641.

Adding to 52840004 its reverse (40004825), we get a palindrome (92844829).

It can be divided in two parts, 528 and 40004, that multiplied together give a palindrome (21122112).

The spelling of 52840004 in words is "fifty-two million, eight hundred forty thousand, four".