53763236773 has 2 divisors, whose sum is σ = 53763236774. Its totient is φ = 53763236772.

The previous prime is 53763236731. The next prime is 53763236833. The reversal of 53763236773 is 37763236735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47211467524 + 6551769249 = 217282^2 + 80943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53763236773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53763236773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53763236873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26881618386 + 26881618387.

It is an arithmetic number, because the mean of its divisors is an integer number (26881618387).

Almost surely, 2^53763236773 is an apocalyptic number.

It is an amenable number.

53763236773 is a deficient number, since it is larger than the sum of its proper divisors (1).

53763236773 is an equidigital number, since it uses as much as digits as its factorization.

53763236773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10001880, while the sum is 52.

The spelling of 53763236773 in words is "fifty-three billion, seven hundred sixty-three million, two hundred thirty-six thousand, seven hundred seventy-three".