53441021 has 8 divisors (see below), whose sum is σ = 54829440. Its totient is φ = 52063168.

The previous prime is 53440969. The next prime is 53441033. The reversal of 53441021 is 12014435.

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

It is a cyclic number.

It is not a de Polignac number, because 53441021 - 2⁶ = 53440957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53440984 and 53441002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53441041) 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, 8165 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (6853680).

Almost surely, 2^53441021 is an apocalyptic number.

It is an amenable number.

53441021 is a deficient number, since it is larger than the sum of its proper divisors (1388419).

53441021 is a wasteful number, since it uses less digits than its factorization.

53441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 53441021 is about 7310.3365859583. The cubic root of 53441021 is about 376.6675861656.

Adding to 53441021 its reverse (12014435), we get a palindrome (65455456).

The spelling of 53441021 in words is "fifty-three million, four hundred forty-one thousand, twenty-one".