48936821 has 8 divisors (see below), whose sum is σ = 50839488. Its totient is φ = 47068000.

The previous prime is 48936809. The next prime is 48936827. The reversal of 48936821 is 12863984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48936821 - 2¹⁰ = 48935797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48936827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (6354936).

Almost surely, 2^48936821 is an apocalyptic number.

48936821 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

48936821 is a deficient number, since it is larger than the sum of its proper divisors (1902667).

48936821 is a wasteful number, since it uses less digits than its factorization.

48936821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923.

The product of its digits is 82944, while the sum is 41.

The square root of 48936821 is about 6995.4857586875. The cubic root of 48936821 is about 365.7732303831.

The spelling of 48936821 in words is "forty-eight million, nine hundred thirty-six thousand, eight hundred twenty-one".