53944634 has 4 divisors (see below), whose sum is σ = 80916954. Its totient is φ = 26972316.

The previous prime is 53944633. The next prime is 53944651. The reversal of 53944634 is 43644935.

It is a happy number.

53944634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43644935 = 5 ⋅8728987.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 727609 = 7295^2 + 853^2 .

It is not an unprimeable number, because it can be changed into a prime (53944633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13486157 + ... + 13486160.

Almost surely, 2^53944634 is an apocalyptic number.

53944634 is a deficient number, since it is larger than the sum of its proper divisors (26972320).

53944634 is a wasteful number, since it uses less digits than its factorization.

53944634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26972319.

The product of its digits is 155520, while the sum is 38.

The square root of 53944634 is about 7344.7010830939. The cubic root of 53944634 is about 377.8470915557.

The spelling of 53944634 in words is "fifty-three million, nine hundred forty-four thousand, six hundred thirty-four".