53220141 has 24 divisors (see below), whose sum is σ = 83243160. Its totient is φ = 32570496.

The previous prime is 53220127. The next prime is 53220143. The reversal of 53220141 is 14102235.

It can be written as a sum of positive squares in 4 ways, for example, as 22184100 + 31036041 = 4710^2 + 5571^2 .

It is not a de Polignac number, because 53220141 - 2⁶ = 53220077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21895 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (3468465).

Almost surely, 2^53220141 is an apocalyptic number.

It is an amenable number.

53220141 is a deficient number, since it is larger than the sum of its proper divisors (30023019).

53220141 is a wasteful number, since it uses less digits than its factorization.

53220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 53220141 is about 7295.2135678128. The cubic root of 53220141 is about 376.1479277793.

Adding to 53220141 its reverse (14102235), we get a palindrome (67322376).

It can be divided in two parts, 53220 and 141, that added together give a square (53361 = 231²).

The spelling of 53220141 in words is "fifty-three million, two hundred twenty thousand, one hundred forty-one".