55315772882563 has 2 divisors, whose sum is σ = 55315772882564. Its totient is φ = 55315772882562.

The previous prime is 55315772882551. The next prime is 55315772882611. The reversal of 55315772882563 is 36528827751355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55315772882563 - 2²¹ = 55315770785411 is a prime.

It is not a weakly prime, because it can be changed into another prime (55315772882533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27657886441281 + 27657886441282.

It is an arithmetic number, because the mean of its divisors is an integer number (27657886441282).

Almost surely, 2^{55315772882563} is an apocalyptic number.

55315772882563 is a deficient number, since it is larger than the sum of its proper divisors (1).

55315772882563 is an equidigital number, since it uses as much as digits as its factorization.

55315772882563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360000, while the sum is 67.

The spelling of 55315772882563 in words is "fifty-five trillion, three hundred fifteen billion, seven hundred seventy-two million, eight hundred eighty-two thousand, five hundred sixty-three".