48644539 has 2 divisors, whose sum is σ = 48644540. Its totient is φ = 48644538.

The previous prime is 48644537. The next prime is 48644569. The reversal of 48644539 is 93544684.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48644539 - 2¹ = 48644537 is a prime.

Together with 48644537, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 48644495 and 48644504.

It is not a weakly prime, because it can be changed into another prime (48644537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24322269 + 24322270.

It is an arithmetic number, because the mean of its divisors is an integer number (24322270).

Almost surely, 2^48644539 is an apocalyptic number.

48644539 is a deficient number, since it is larger than the sum of its proper divisors (1).

48644539 is an equidigital number, since it uses as much as digits as its factorization.

48644539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 48644539 is about 6974.5637139537. The cubic root of 48644539 is about 365.0435652009.

The spelling of 48644539 in words is "forty-eight million, six hundred forty-four thousand, five hundred thirty-nine".