52004412 has 18 divisors (see below), whose sum is σ = 131455688. Its totient is φ = 17334792.

The previous prime is 52004399. The next prime is 52004413. The reversal of 52004412 is 21440025.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52004413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722248 + ... + 722319.

Almost surely, 2^52004412 is an apocalyptic number.

It is an amenable number.

52004412 is an abundant number, since it is smaller than the sum of its proper divisors (79451276).

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

52004412 is a wasteful number, since it uses less digits than its factorization.

52004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444577 (or 1444572 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52004412 is about 7211.4084615975. The cubic root of 52004412 is about 373.2616716904.

Adding to 52004412 its reverse (21440025), we get a palindrome (73444437).

The spelling of 52004412 in words is "fifty-two million, four thousand, four hundred twelve".