48820645 has 4 divisors (see below), whose sum is σ = 58584780. Its totient is φ = 39056512.

The previous prime is 48820637. The next prime is 48820669. The reversal of 48820645 is 54602884.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31730689 + 17089956 = 5633^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 48820645 - 2³ = 48820637 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4882060 + ... + 4882069.

It is an arithmetic number, because the mean of its divisors is an integer number (14646195).

Almost surely, 2^48820645 is an apocalyptic number.

It is an amenable number.

48820645 is a deficient number, since it is larger than the sum of its proper divisors (9764135).

48820645 is an equidigital number, since it uses as much as digits as its factorization.

48820645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764134.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 48820645 is about 6987.1771839563. The cubic root of 48820645 is about 365.4835525132.

The spelling of 48820645 in words is "forty-eight million, eight hundred twenty thousand, six hundred forty-five".