48239681 has 4 divisors (see below), whose sum is σ = 55131072. Its totient is φ = 41348292.

The previous prime is 48239677. The next prime is 48239747. The reversal of 48239681 is 18693284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48239681 - 2² = 48239677 is a prime.

It is a super-2 number, since 2×48239681² = 4654133645963522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48239881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445685 + ... + 3445698.

It is an arithmetic number, because the mean of its divisors is an integer number (13782768).

Almost surely, 2^48239681 is an apocalyptic number.

It is an amenable number.

48239681 is a deficient number, since it is larger than the sum of its proper divisors (6891391).

48239681 is an equidigital number, since it uses as much as digits as its factorization.

48239681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891390.

The product of its digits is 82944, while the sum is 41.

The square root of 48239681 is about 6945.4791771339. The cubic root of 48239681 is about 364.0280162995.

The spelling of 48239681 in words is "forty-eight million, two hundred thirty-nine thousand, six hundred eighty-one".