53030720656 has 15 divisors (see below), whose sum is σ = 102748806003. Its totient is φ = 26514899760.

The previous prime is 53030720653. The next prime is 53030720663. The reversal of 53030720656 is 65602703035.

It is a happy number.

The square root of 53030720656 is 230284.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53030720653) 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 in 2 ways as a sum of consecutive naturals, for example, 892351 + ... + 949921.

Almost surely, 2^53030720656 is an apocalyptic number.

53030720656 is the 230284-th square number.

It is an amenable number.

53030720656 is a deficient number, since it is larger than the sum of its proper divisors (49718085347).

53030720656 is an frugal number, since it uses more digits than its factorization.

53030720656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115150 (or 57573 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 53030720656 in words is "fifty-three billion, thirty million, seven hundred twenty thousand, six hundred fifty-six".