48639431 has 8 divisors (see below), whose sum is σ = 52153920. Its totient is φ = 45197568.

The previous prime is 48639427. The next prime is 48639433. The reversal of 48639431 is 13493684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48639431 - 2² = 48639427 is a prime.

It is a super-2 number, since 2×48639431² = 4731588496007522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48639433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16766 + ... + 19451.

It is an arithmetic number, because the mean of its divisors is an integer number (6519240).

Almost surely, 2^48639431 is an apocalyptic number.

48639431 is a deficient number, since it is larger than the sum of its proper divisors (3514489).

48639431 is a wasteful number, since it uses less digits than its factorization.

48639431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36313.

The product of its digits is 62208, while the sum is 38.

The square root of 48639431 is about 6974.1975165606. The cubic root of 48639431 is about 365.0307874199.

The spelling of 48639431 in words is "forty-eight million, six hundred thirty-nine thousand, four hundred thirty-one".