48219999 has 4 divisors (see below), whose sum is σ = 64293336. Its totient is φ = 32146664.

The previous prime is 48219989. The next prime is 48220001. The reversal of 48219999 is 99991284.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48219999 - 2¹¹ = 48217951 is a prime.

48219999 is a modest number, since divided by 9999 gives 4821 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48219949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036664 + ... + 8036669.

It is an arithmetic number, because the mean of its divisors is an integer number (16073334).

Almost surely, 2^48219999 is an apocalyptic number.

48219999 is a deficient number, since it is larger than the sum of its proper divisors (16073337).

48219999 is a wasteful number, since it uses less digits than its factorization.

48219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073336.

The product of its digits is 419904, while the sum is 51.

The square root of 48219999 is about 6944.0621396989. The cubic root of 48219999 is about 363.9785012259.

The spelling of 48219999 in words is "forty-eight million, two hundred nineteen thousand, nine hundred ninety-nine".