53444434 has 16 divisors (see below), whose sum is σ = 83566080. Its totient is φ = 25606080.

The previous prime is 53444423. The next prime is 53444459. The reversal of 53444434 is 43444435.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 53444396 and 53444405.

It is an unprimeable number.

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, 2202 + ... + 10570.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^53444434 is an apocalyptic number.

53444434 is a deficient number, since it is larger than the sum of its proper divisors (30121646).

53444434 is a wasteful number, since it uses less digits than its factorization.

53444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505.

The product of its digits is 46080, while the sum is 31.

The square root of 53444434 is about 7310.5700188152. The cubic root of 53444434 is about 376.6756045947.

Adding to 53444434 its reverse (43444435), we get a palindrome (96888869).

Subtracting from 53444434 its reverse (43444435), we obtain a palindrome (9999999).

The spelling of 53444434 in words is "fifty-three million, four hundred forty-four thousand, four hundred thirty-four".