48668647 has 4 divisors (see below), whose sum is σ = 49800520. Its totient is φ = 47536776.

The previous prime is 48668639. The next prime is 48668651. The reversal of 48668647 is 74686684.

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 48668647 - 2³ = 48668639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48668647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48668447) 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, 565872 + ... + 565957.

It is an arithmetic number, because the mean of its divisors is an integer number (12450130).

Almost surely, 2^48668647 is an apocalyptic number.

48668647 is a deficient number, since it is larger than the sum of its proper divisors (1131873).

48668647 is a wasteful number, since it uses less digits than its factorization.

48668647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131872.

The product of its digits is 1548288, while the sum is 49.

The square root of 48668647 is about 6976.2917800218. The cubic root of 48668647 is about 365.1038598543.

The spelling of 48668647 in words is "forty-eight million, six hundred sixty-eight thousand, six hundred forty-seven".