48668645 has 4 divisors (see below), whose sum is σ = 58402380. Its totient is φ = 38934912.

The previous prime is 48668639. The next prime is 48668651. The reversal of 48668645 is 54686684.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (48668639) and next prime (48668651).

It can be written as a sum of positive squares in 2 ways, for example, as 22791076 + 25877569 = 4774^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 48668645 - 2¹² = 48664549 is a prime.

It is a super-2 number, since 2×48668645² = 4737274012272050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48668645.

It is a congruent number.

It is an unprimeable number.

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, 4866860 + ... + 4866869.

It is an arithmetic number, because the mean of its divisors is an integer number (14600595).

Almost surely, 2^48668645 is an apocalyptic number.

It is an amenable number.

48668645 is a deficient number, since it is larger than the sum of its proper divisors (9733735).

48668645 is an equidigital number, since it uses as much as digits as its factorization.

48668645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733734.

The product of its digits is 1105920, while the sum is 47.

The square root of 48668645 is about 6976.2916366792. The cubic root of 48668645 is about 365.1038548531.

The spelling of 48668645 in words is "forty-eight million, six hundred sixty-eight thousand, six hundred forty-five".