53443130 has 16 divisors (see below), whose sum is σ = 103597704. Its totient is φ = 19732800.

The previous prime is 53443129. The next prime is 53443147. The reversal of 53443130 is 3134435.

It can be written as a sum of positive squares in 4 ways, for example, as 32913169 + 20529961 = 5737^2 + 4531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53443096 and 53443105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205421 + ... + 205680.

Almost surely, 2^53443130 is an apocalyptic number.

53443130 is a deficient number, since it is larger than the sum of its proper divisors (50154574).

53443130 is a wasteful number, since it uses less digits than its factorization.

53443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411121.

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

The square root of 53443130 is about 7310.4808323393. The cubic root of 53443130 is about 376.6725410453.

Adding to 53443130 its reverse (3134435), we get a palindrome (56577565).

The spelling of 53443130 in words is "fifty-three million, four hundred forty-three thousand, one hundred thirty".