48969845 has 4 divisors (see below), whose sum is σ = 58763820. Its totient is φ = 39175872.

The previous prime is 48969841. The next prime is 48969871. The reversal of 48969845 is 54896984.

It is a happy number.

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 14945956 + 34023889 = 3866^2 + 5833^2 .

It is a cyclic number.

It is not a de Polignac number, because 48969845 - 2² = 48969841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48969841) 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, 4896980 + ... + 4896989.

It is an arithmetic number, because the mean of its divisors is an integer number (14690955).

Almost surely, 2^48969845 is an apocalyptic number.

It is an amenable number.

48969845 is a deficient number, since it is larger than the sum of its proper divisors (9793975).

48969845 is an equidigital number, since it uses as much as digits as its factorization.

48969845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793974.

The product of its digits is 2488320, while the sum is 53.

The square root of 48969845 is about 6997.8457399403. The cubic root of 48969845 is about 365.8554900449.

It can be divided in two parts, 4896 and 9845, that added together give a palindrome (14741).

The spelling of 48969845 in words is "forty-eight million, nine hundred sixty-nine thousand, eight hundred forty-five".