53332621 has 8 divisors (see below), whose sum is σ = 56592000. Its totient is φ = 50086848.

The previous prime is 53332567. The next prime is 53332667. The reversal of 53332621 is 12623335.

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 not a de Polignac number, because 53332621 - 2⁹ = 53332109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53332691) 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, 5340 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (7074000).

Almost surely, 2^53332621 is an apocalyptic number.

It is an amenable number.

53332621 is a deficient number, since it is larger than the sum of its proper divisors (3259379).

53332621 is a wasteful number, since it uses less digits than its factorization.

53332621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its digits is 3240, while the sum is 25.

The square root of 53332621 is about 7302.9186631100. The cubic root of 53332621 is about 376.4127357166.

Adding to 53332621 its reverse (12623335), we get a palindrome (65955956).

The spelling of 53332621 in words is "fifty-three million, three hundred thirty-two thousand, six hundred twenty-one".