48159681 has 16 divisors (see below), whose sum is σ = 66233088. Its totient is φ = 31104000.

The previous prime is 48159679. The next prime is 48159689. The reversal of 48159681 is 18695184.

It is not a de Polignac number, because 48159681 - 2¹ = 48159679 is a prime.

It is a super-2 number, since 2×48159681² = 4638709748043522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48159689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29281 + ... + 30881.

It is an arithmetic number, because the mean of its divisors is an integer number (4139568).

Almost surely, 2^48159681 is an apocalyptic number.

It is an amenable number.

48159681 is a deficient number, since it is larger than the sum of its proper divisors (18073407).

48159681 is a wasteful number, since it uses less digits than its factorization.

48159681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 69120, while the sum is 42.

The square root of 48159681 is about 6939.7176455530. The cubic root of 48159681 is about 363.8266719969.

The spelling of 48159681 in words is "forty-eight million, one hundred fifty-nine thousand, six hundred eighty-one".