48996621 has 12 divisors (see below), whose sum is σ = 72686172. Its totient is φ = 31781376.

The previous prime is 48996617. The next prime is 48996641. The reversal of 48996621 is 12669984.

It is a happy number.

48996621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 10692900 = 6189^2 + 3270^2 .

It is not a de Polignac number, because 48996621 - 2² = 48996617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48996641) 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 11 ways as a sum of consecutive naturals, for example, 73236 + ... + 73901.

It is an arithmetic number, because the mean of its divisors is an integer number (6057181).

Almost surely, 2^48996621 is an apocalyptic number.

It is an amenable number.

48996621 is a deficient number, since it is larger than the sum of its proper divisors (23689551).

48996621 is a wasteful number, since it uses less digits than its factorization.

48996621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147180 (or 147177 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 48996621 is about 6999.7586386961. The cubic root of 48996621 is about 365.9221593845.

The spelling of 48996621 in words is "forty-eight million, nine hundred ninety-six thousand, six hundred twenty-one".