53133434 has 4 divisors (see below), whose sum is σ = 79700154. Its totient is φ = 26566716.

The previous prime is 53133419. The next prime is 53133439. The reversal of 53133434 is 43433135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37173409 + 15960025 = 6097^2 + 3995^2 .

It is not an unprimeable number, because it can be changed into a prime (53133439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13283357 + ... + 13283360.

Almost surely, 2^53133434 is an apocalyptic number.

53133434 is a deficient number, since it is larger than the sum of its proper divisors (26566720).

53133434 is a wasteful number, since it uses less digits than its factorization.

53133434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26566719.

The product of its digits is 6480, while the sum is 26.

The square root of 53133434 is about 7289.2684132223. The cubic root of 53133434 is about 375.9435415832.

Adding to 53133434 its reverse (43433135), we get a palindrome (96566569).

The spelling of 53133434 in words is "fifty-three million, one hundred thirty-three thousand, four hundred thirty-four".