55661062763 has 2 divisors, whose sum is σ = 55661062764. Its totient is φ = 55661062762.

The previous prime is 55661062747. The next prime is 55661062789. The reversal of 55661062763 is 36726016655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55661062763 - 2⁴ = 55661062747 is a prime.

It is not a weakly prime, because it can be changed into another prime (55661062063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830531381 + 27830531382.

It is an arithmetic number, because the mean of its divisors is an integer number (27830531382).

Almost surely, 2^55661062763 is an apocalyptic number.

55661062763 is a deficient number, since it is larger than the sum of its proper divisors (1).

55661062763 is an equidigital number, since it uses as much as digits as its factorization.

55661062763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 55661062763 in words is "fifty-five billion, six hundred sixty-one million, sixty-two thousand, seven hundred sixty-three".