56605453285637 has 2 divisors, whose sum is σ = 56605453285638. Its totient is φ = 56605453285636.

The previous prime is 56605453285613. The next prime is 56605453285657. The reversal of 56605453285637 is 73658235450665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38165694709921 + 18439758575716 = 6177839^2 + 4294154^2 .

It is a cyclic number.

It is not a de Polignac number, because 56605453285637 - 2¹⁶ = 56605453220101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56605453285657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28302726642818 + 28302726642819.

It is an arithmetic number, because the mean of its divisors is an integer number (28302726642819).

Almost surely, 2^{56605453285637} is an apocalyptic number.

It is an amenable number.

56605453285637 is a deficient number, since it is larger than the sum of its proper divisors (1).

56605453285637 is an equidigital number, since it uses as much as digits as its factorization.

56605453285637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320000, while the sum is 65.

The spelling of 56605453285637 in words is "fifty-six trillion, six hundred five billion, four hundred fifty-three million, two hundred eighty-five thousand, six hundred thirty-seven".