53720366 has 24 divisors (see below), whose sum is σ = 94039056. Its totient is φ = 22948800.

The previous prime is 53720347. The next prime is 53720377. The reversal of 53720366 is 66302735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38615 + ... + 39981.

It is an arithmetic number, because the mean of its divisors is an integer number (3918294).

Almost surely, 2^53720366 is an apocalyptic number.

53720366 is a deficient number, since it is larger than the sum of its proper divisors (40318690).

53720366 is a wasteful number, since it uses less digits than its factorization.

53720366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 53720366 is about 7329.4178486426. The cubic root of 53720366 is about 377.3227470702.

The spelling of 53720366 in words is "fifty-three million, seven hundred twenty thousand, three hundred sixty-six".