52001424 has 60 divisors (see below), whose sum is σ = 146105232. Its totient is φ = 17265600.

The previous prime is 52001399. The next prime is 52001441. The reversal of 52001424 is 42410025.

52001424 is a `hidden beast` number, since 520 + 0 + 142 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 52001397 and 52001406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47119 + ... + 48209.

Almost surely, 2^52001424 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 52001424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73052616).

52001424 is an abundant number, since it is smaller than the sum of its proper divisors (94103808).

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

52001424 is a wasteful number, since it uses less digits than its factorization.

52001424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1427 counting only the distinct ones).

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

The square root of 52001424 is about 7211.2012868869. The cubic root of 52001424 is about 373.2545227634.

Adding to 52001424 its reverse (42410025), we get a palindrome (94411449).

It can be divided in two parts, 52001 and 424, that added together give a palindrome (52425).

The spelling of 52001424 in words is "fifty-two million, one thousand, four hundred twenty-four".