53391704 has 8 divisors (see below), whose sum is σ = 100109460. Its totient is φ = 26695848.

The previous prime is 53391683. The next prime is 53391719. The reversal of 53391704 is 40719335.

It is a happy number.

53391704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 3336974 + ... + 3336989.

Almost surely, 2^53391704 is an apocalyptic number.

It is an amenable number.

53391704 is a deficient number, since it is larger than the sum of its proper divisors (46717756).

53391704 is a wasteful number, since it uses less digits than its factorization.

53391704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673969 (or 6673965 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 53391704 is about 7306.9627068981. The cubic root of 53391704 is about 376.5516837363.

The spelling of 53391704 in words is "fifty-three million, three hundred ninety-one thousand, seven hundred four".