53680736 has 12 divisors (see below), whose sum is σ = 105684012. Its totient is φ = 26840352.

The previous prime is 53680717. The next prime is 53680751. The reversal of 53680736 is 63708635.

It is a self number, because there is not a number n which added to its sum of digits gives 53680736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838730 + ... + 838793.

It is an arithmetic number, because the mean of its divisors is an integer number (8807001).

Almost surely, 2^53680736 is an apocalyptic number.

It is an amenable number.

53680736 is a deficient number, since it is larger than the sum of its proper divisors (52003276).

53680736 is a wasteful number, since it uses less digits than its factorization.

53680736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677533 (or 1677525 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 53680736 is about 7326.7138609338. The cubic root of 53680736 is about 377.2299394434.

The spelling of 53680736 in words is "fifty-three million, six hundred eighty thousand, seven hundred thirty-six".