48616639 has 4 divisors (see below), whose sum is σ = 48797640. Its totient is φ = 48435640.

The previous prime is 48616621. The next prime is 48616643. The reversal of 48616639 is 93661684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48616639 - 2¹⁹ = 48092351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48616595 and 48616604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48616609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90097 + ... + 90634.

It is an arithmetic number, because the mean of its divisors is an integer number (12199410).

Almost surely, 2^48616639 is an apocalyptic number.

48616639 is a deficient number, since it is larger than the sum of its proper divisors (181001).

48616639 is a wasteful number, since it uses less digits than its factorization.

48616639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181000.

The product of its digits is 186624, while the sum is 43.

The square root of 48616639 is about 6972.5633019715. The cubic root of 48616639 is about 364.9737617969.

The spelling of 48616639 in words is "forty-eight million, six hundred sixteen thousand, six hundred thirty-nine".