53143422 has 16 divisors (see below), whose sum is σ = 106467600. Its totient is φ = 17684352.

The previous prime is 53143403. The next prime is 53143423. The reversal of 53143422 is 22434135.

It is a junction number, because it is equal to n+sod(n) for n = 53143392 and 53143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547 + ... + 10902.

It is an arithmetic number, because the mean of its divisors is an integer number (6654225).

Almost surely, 2^53143422 is an apocalyptic number.

53143422 is an abundant number, since it is smaller than the sum of its proper divisors (53324178).

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

53143422 is a wasteful number, since it uses less digits than its factorization.

53143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067.

The product of its digits is 2880, while the sum is 24.

The square root of 53143422 is about 7289.9534977941. The cubic root of 53143422 is about 375.9670966756.

Adding to 53143422 its reverse (22434135), we get a palindrome (75577557).

The spelling of 53143422 in words is "fifty-three million, one hundred forty-three thousand, four hundred twenty-two".