52044421 has 8 divisors (see below), whose sum is σ = 61143264. Its totient is φ = 43673520.

The previous prime is 52044413. The next prime is 52044437. The reversal of 52044421 is 12444025.

It is a happy number.

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

It is not a de Polignac number, because 52044421 - 2³ = 52044413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52044392 and 52044401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52044481) 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, 181831 + ... + 182116.

It is an arithmetic number, because the mean of its divisors is an integer number (7642908).

Almost surely, 2^52044421 is an apocalyptic number.

It is an amenable number.

52044421 is a deficient number, since it is larger than the sum of its proper divisors (9098843).

52044421 is a wasteful number, since it uses less digits than its factorization.

52044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363971.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 52044421 is about 7214.1819356043. The cubic root of 52044421 is about 373.3573686871.

Adding to 52044421 its reverse (12444025), we get a palindrome (64488446).

The spelling of 52044421 in words is "fifty-two million, forty-four thousand, four hundred twenty-one".