48555587261 has 2 divisors, whose sum is σ = 48555587262. Its totient is φ = 48555587260.

The previous prime is 48555587257. The next prime is 48555587279. The reversal of 48555587261 is 16278555584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47739628036 + 815959225 = 218494^2 + 28565^2 .

It is a cyclic number.

It is not a de Polignac number, because 48555587261 - 2² = 48555587257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48555587197 and 48555587206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48555587251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24277793630 + 24277793631.

It is an arithmetic number, because the mean of its divisors is an integer number (24277793631).

Almost surely, 2^48555587261 is an apocalyptic number.

It is an amenable number.

48555587261 is a deficient number, since it is larger than the sum of its proper divisors (1).

48555587261 is an equidigital number, since it uses as much as digits as its factorization.

48555587261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440000, while the sum is 56.

The spelling of 48555587261 in words is "forty-eight billion, five hundred fifty-five million, five hundred eighty-seven thousand, two hundred sixty-one".