53885621 has 8 divisors (see below), whose sum is σ = 55238304. Its totient is φ = 52549200.

The previous prime is 53885617. The next prime is 53885627. The reversal of 53885621 is 12658835.

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 53885621 - 2² = 53885617 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 (53885627) 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, 2786 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (6904788).

Almost surely, 2^53885621 is an apocalyptic number.

It is an amenable number.

53885621 is a deficient number, since it is larger than the sum of its proper divisors (1352683).

53885621 is a wasteful number, since it uses less digits than its factorization.

53885621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131.

The product of its digits is 57600, while the sum is 38.

The square root of 53885621 is about 7340.6825976880. The cubic root of 53885621 is about 377.7092587157.

The spelling of 53885621 in words is "fifty-three million, eight hundred eighty-five thousand, six hundred twenty-one".