53143430 has 16 divisors (see below), whose sum is σ = 95765760. Its totient is φ = 21233472.

The previous prime is 53143423. The next prime is 53143439. The reversal of 53143430 is 3434135.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53143396 and 53143405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8426 + ... + 13314.

It is an arithmetic number, because the mean of its divisors is an integer number (5985360).

Almost surely, 2^53143430 is an apocalyptic number.

53143430 is a deficient number, since it is larger than the sum of its proper divisors (42622330).

53143430 is a wasteful number, since it uses less digits than its factorization.

53143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53143430 is about 7289.9540464944. The cubic root of 53143430 is about 375.9671155411.

Adding to 53143430 its reverse (3434135), we get a palindrome (56577565).

The spelling of 53143430 in words is "fifty-three million, one hundred forty-three thousand, four hundred thirty".