52042404 has 12 divisors (see below), whose sum is σ = 121432304. Its totient is φ = 17347464.

The previous prime is 52042391. The next prime is 52042409. The reversal of 52042404 is 40424025.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (52042409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168422 + ... + 2168445.

Almost surely, 2^52042404 is an apocalyptic number.

It is an amenable number.

52042404 is an abundant number, since it is smaller than the sum of its proper divisors (69389900).

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

52042404 is a wasteful number, since it uses less digits than its factorization.

52042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336874 (or 4336872 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 52042404 is about 7214.0421401597. The cubic root of 52042404 is about 373.3525454257.

Adding to 52042404 its reverse (40424025), we get a palindrome (92466429).

It can be divided in two parts, 520 and 42404, that added together give a palindrome (42924).

The spelling of 52042404 in words is "fifty-two million, forty-two thousand, four hundred four".