52524433421 has 8 divisors (see below), whose sum is σ = 52648845504. Its totient is φ = 52400113920.

The previous prime is 52524433399. The next prime is 52524433447. The reversal of 52524433421 is 12433442525.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52524433421 is a prime.

It is a super-2 number, since 2×52524433421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52524439421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186925 + ... + 1230381.

It is an arithmetic number, because the mean of its divisors is an integer number (6581105688).

Almost surely, 2^52524433421 is an apocalyptic number.

It is an amenable number.

52524433421 is a deficient number, since it is larger than the sum of its proper divisors (124412083).

52524433421 is a wasteful number, since it uses less digits than its factorization.

52524433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46291.

The product of its digits is 115200, while the sum is 35.

Adding to 52524433421 its reverse (12433442525), we get a palindrome (64957875946).

The spelling of 52524433421 in words is "fifty-two billion, five hundred twenty-four million, four hundred thirty-three thousand, four hundred twenty-one".