48781161 has 48 divisors (see below), whose sum is σ = 85700160. Its totient is φ = 26328960.

The previous prime is 48781153. The next prime is 48781163. The reversal of 48781161 is 16118784.

It is not a de Polignac number, because 48781161 - 2³ = 48781153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48781163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36670 + ... + 37976.

It is an arithmetic number, because the mean of its divisors is an integer number (1785420).

Almost surely, 2^48781161 is an apocalyptic number.

It is an amenable number.

48781161 is a deficient number, since it is larger than the sum of its proper divisors (36918999).

48781161 is a wasteful number, since it uses less digits than its factorization.

48781161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1363 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 48781161 is about 6984.3511509660. The cubic root of 48781161 is about 365.3849969079.

The spelling of 48781161 in words is "forty-eight million, seven hundred eighty-one thousand, one hundred sixty-one".