53444366 has 4 divisors (see below), whose sum is σ = 80166552. Its totient is φ = 26722182.

The previous prime is 53444353. The next prime is 53444389. The reversal of 53444366 is 66344435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66344435 = 5 ⋅13268887.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13361090 + ... + 13361093.

It is an arithmetic number, because the mean of its divisors is an integer number (20041638).

Almost surely, 2^53444366 is an apocalyptic number.

53444366 is a deficient number, since it is larger than the sum of its proper divisors (26722186).

53444366 is a wasteful number, since it uses less digits than its factorization.

53444366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722185.

The product of its digits is 103680, while the sum is 35.

The square root of 53444366 is about 7310.5653680136. The cubic root of 53444366 is about 376.6754448403.

The spelling of 53444366 in words is "fifty-three million, four hundred forty-four thousand, three hundred sixty-six".