48209647 has 2 divisors, whose sum is σ = 48209648. Its totient is φ = 48209646.

The previous prime is 48209641. The next prime is 48209717. The reversal of 48209647 is 74690284.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48209647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48209641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24104823 + 24104824.

It is an arithmetic number, because the mean of its divisors is an integer number (24104824).

Almost surely, 2^48209647 is an apocalyptic number.

48209647 is a deficient number, since it is larger than the sum of its proper divisors (1).

48209647 is an equidigital number, since it uses as much as digits as its factorization.

48209647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 48209647 is about 6943.3167146545. The cubic root of 48209647 is about 363.9524527316.

The spelling of 48209647 in words is "forty-eight million, two hundred nine thousand, six hundred forty-seven".