48549661 has 4 divisors (see below), whose sum is σ = 49861852. Its totient is φ = 47237472.

The previous prime is 48549653. The next prime is 48549667. The reversal of 48549661 is 16694584.

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 25452025 + 23097636 = 5045^2 + 4806^2 .

It is a cyclic number.

It is not a de Polignac number, because 48549661 - 2³ = 48549653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48549667) 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, 656040 + ... + 656113.

It is an arithmetic number, because the mean of its divisors is an integer number (12465463).

Almost surely, 2^48549661 is an apocalyptic number.

It is an amenable number.

48549661 is a deficient number, since it is larger than the sum of its proper divisors (1312191).

48549661 is a wasteful number, since it uses less digits than its factorization.

48549661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312190.

The product of its digits is 207360, while the sum is 43.

The square root of 48549661 is about 6967.7586783700. The cubic root of 48549661 is about 364.8060795137.

The spelling of 48549661 in words is "forty-eight million, five hundred forty-nine thousand, six hundred sixty-one".