53141220 has 72 divisors (see below), whose sum is σ = 175855680. Its totient is φ = 12882240.

The previous prime is 53141197. The next prime is 53141239. The reversal of 53141220 is 2214135.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 53141193 and 53141202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11440 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (2442440).

Almost surely, 2^53141220 is an apocalyptic number.

It is an amenable number.

53141220 is an abundant number, since it is smaller than the sum of its proper divisors (122714460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53141220 is a wasteful number, since it uses less digits than its factorization.

53141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26865 (or 26860 counting only the distinct ones).

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

The square root of 53141220 is about 7289.8024664596. The cubic root of 53141220 is about 375.9619038662.

Adding to 53141220 its reverse (2214135), we get a palindrome (55355355).

It can be divided in two parts, 53141 and 220, that added together give a square (53361 = 231²).

The spelling of 53141220 in words is "fifty-three million, one hundred forty-one thousand, two hundred twenty".