53221002231 has 8 divisors (see below), whose sum is σ = 70962428160. Its totient is φ = 35480122232.

The previous prime is 53221002229. The next prime is 53221002271. The reversal of 53221002231 is 13220012235.

53221002231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53221002231 - 2¹ = 53221002229 is a prime.

It is a super-2 number, since 2×53221002231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53221002198 and 53221002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53221002271) 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, 236980 + ... + 403238.

It is an arithmetic number, because the mean of its divisors is an integer number (8870303520).

Almost surely, 2^53221002231 is an apocalyptic number.

53221002231 is a deficient number, since it is larger than the sum of its proper divisors (17741425929).

53221002231 is a wasteful number, since it uses less digits than its factorization.

53221002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272965.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 53221002231 its reverse (13220012235), we get a palindrome (66441014466).

The spelling of 53221002231 in words is "fifty-three billion, two hundred twenty-one million, two thousand, two hundred thirty-one".