48583648181557 has 2 divisors, whose sum is σ = 48583648181558. Its totient is φ = 48583648181556.

The previous prime is 48583648181543. The next prime is 48583648181581. The reversal of 48583648181557 is 75518184638584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41401387540881 + 7182260640676 = 6434391^2 + 2679974^2 .

It is a cyclic number.

It is not a de Polignac number, because 48583648181557 - 2³¹ = 48581500697909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48583648181557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48583648181587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24291824090778 + 24291824090779.

It is an arithmetic number, because the mean of its divisors is an integer number (24291824090779).

Almost surely, 2^{48583648181557} is an apocalyptic number.

It is an amenable number.

48583648181557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48583648181557 is an equidigital number, since it uses as much as digits as its factorization.

48583648181557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192000, while the sum is 73.

The spelling of 48583648181557 in words is "forty-eight trillion, five hundred eighty-three billion, six hundred forty-eight million, one hundred eighty-one thousand, five hundred fifty-seven".