48453661 has 4 divisors (see below), whose sum is σ = 48898300. Its totient is φ = 48009024.

The previous prime is 48453653. The next prime is 48453679. The reversal of 48453661 is 16635484.

It is a happy number.

48453661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42328036 + 6125625 = 6506^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 48453661 - 2³ = 48453653 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 48453661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48453641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222156 + ... + 222373.

It is an arithmetic number, because the mean of its divisors is an integer number (12224575).

Almost surely, 2^48453661 is an apocalyptic number.

It is an amenable number.

48453661 is a deficient number, since it is larger than the sum of its proper divisors (444639).

48453661 is a wasteful number, since it uses less digits than its factorization.

48453661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444638.

The product of its digits is 69120, while the sum is 37.

The square root of 48453661 is about 6960.8663972238. The cubic root of 48453661 is about 364.5654702657.

It can be divided in two parts, 484 and 53661, that added together give a palindrome (54145).

The spelling of 48453661 in words is "forty-eight million, four hundred fifty-three thousand, six hundred sixty-one".