53123688650 has 12 divisors (see below), whose sum is σ = 98810060982. Its totient is φ = 21249475440.

The previous prime is 53123688649. The next prime is 53123688659. The reversal of 53123688650 is 5688632135.

53123688650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 34266082321 + 18857606329 = 185111^2 + 137323^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53123688595 and 53123688604.

It is not an unprimeable number, because it can be changed into a prime (53123688659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531236837 + ... + 531236936.

Almost surely, 2^53123688650 is an apocalyptic number.

53123688650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53123688650 is a deficient number, since it is larger than the sum of its proper divisors (45686372332).

53123688650 is a wasteful number, since it uses less digits than its factorization.

53123688650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062473785 (or 1062473780 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 53123688650 in words is "fifty-three billion, one hundred twenty-three million, six hundred eighty-eight thousand, six hundred fifty".