52221653 has 8 divisors (see below), whose sum is σ = 58181760. Its totient is φ = 46463680.

The previous prime is 52221649. The next prime is 52221677. The reversal of 52221653 is 35612225.

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 52221653 - 2² = 52221649 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 (52221613) 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, 49988 + ... + 51021.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2^52221653 is an apocalyptic number.

It is an amenable number.

52221653 is a deficient number, since it is larger than the sum of its proper divisors (5960107).

52221653 is a wasteful number, since it uses less digits than its factorization.

52221653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101067.

The product of its digits is 3600, while the sum is 26.

The square root of 52221653 is about 7226.4550783908. The cubic root of 52221653 is about 373.7806987383.

Adding to 52221653 its reverse (35612225), we get a palindrome (87833878).

The spelling of 52221653 in words is "fifty-two million, two hundred twenty-one thousand, six hundred fifty-three".