48557068491780 has 60 divisors (see below), whose sum is σ = 152325322273740. Its totient is φ = 12948551597376.

The previous prime is 48557068491779. The next prime is 48557068491791. The reversal of 48557068491780 is 8719486075584.

It is a happy number.

48557068491780 is a `hidden beast` number, since 4 + 8 + 5 + 5 + 7 + 0 + 68 + 491 + 78 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15521771893824 + 33035296597956 = 3939768^2 + 5747634^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 48557068491699 and 48557068491708.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14986747915 + ... + 14986751154.

It is an arithmetic number, because the mean of its divisors is an integer number (2538755371229).

Almost surely, 2^{48557068491780} is an apocalyptic number.

It is an amenable number.

48557068491780 is an abundant number, since it is smaller than the sum of its proper divisors (103768253781960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48557068491780 is a wasteful number, since it uses less digits than its factorization.

48557068491780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29973499090 (or 29973499079 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 72.

The spelling of 48557068491780 in words is "forty-eight trillion, five hundred fifty-seven billion, sixty-eight million, four hundred ninety-one thousand, seven hundred eighty".