53611224 has 32 divisors (see below), whose sum is σ = 137652720. Its totient is φ = 17387136.

The previous prime is 53611223. The next prime is 53611267. The reversal of 53611224 is 42211635.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 53611194 and 53611203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53611223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29299 + ... + 31074.

Almost surely, 2^53611224 is an apocalyptic number.

It is an amenable number.

53611224 is an abundant number, since it is smaller than the sum of its proper divisors (84041496).

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

53611224 is a wasteful number, since it uses less digits than its factorization.

53611224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60419 (or 60415 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 53611224 is about 7321.9685877502. The cubic root of 53611224 is about 377.0670421853.

Adding to 53611224 its reverse (42211635), we get a palindrome (95822859).

It can be divided in two parts, 53611 and 224, that added together give a palindrome (53835).

The spelling of 53611224 in words is "fifty-three million, six hundred eleven thousand, two hundred twenty-four".