53663146772 has 12 divisors (see below), whose sum is σ = 93912139776. Its totient is φ = 26831106840.

The previous prime is 53663146769. The next prime is 53663146777. The reversal of 53663146772 is 27764136635.

It is a self number, because there is not a number n which added to its sum of digits gives 53663146772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53663146777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346463 + ... + 476825.

It is an arithmetic number, because the mean of its divisors is an integer number (7826011648).

Almost surely, 2^53663146772 is an apocalyptic number.

It is an amenable number.

53663146772 is a deficient number, since it is larger than the sum of its proper divisors (40248993004).

53663146772 is a wasteful number, since it uses less digits than its factorization.

53663146772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233278 (or 233276 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 50.

The spelling of 53663146772 in words is "fifty-three billion, six hundred sixty-three million, one hundred forty-six thousand, seven hundred seventy-two".