53220144223 has 16 divisors (see below), whose sum is σ = 58305648960. Its totient is φ = 48352550400.

The previous prime is 53220144217. The next prime is 53220144251. The reversal of 53220144223 is 32244102235.

It is a cyclic number.

It is not a de Polignac number, because 53220144223 - 2⁵ = 53220144191 is a prime.

It is a super-2 number, since 2×53220144223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53220144191 and 53220144200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220144253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3735253 + ... + 3749473.

It is an arithmetic number, because the mean of its divisors is an integer number (3644103060).

Almost surely, 2^53220144223 is an apocalyptic number.

53220144223 is a deficient number, since it is larger than the sum of its proper divisors (5085504737).

53220144223 is a wasteful number, since it uses less digits than its factorization.

53220144223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21858.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 53220144223 its reverse (32244102235), we get a palindrome (85464246458).

The spelling of 53220144223 in words is "fifty-three billion, two hundred twenty million, one hundred forty-four thousand, two hundred twenty-three".