48043821 has 32 divisors (see below), whose sum is σ = 74905600. Its totient is φ = 26827200.

The previous prime is 48043817. The next prime is 48043829. The reversal of 48043821 is 12834084.

It is not a de Polignac number, because 48043821 - 2² = 48043817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48043829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318096 + ... + 318246.

It is an arithmetic number, because the mean of its divisors is an integer number (2340800).

Almost surely, 2^48043821 is an apocalyptic number.

It is an amenable number.

48043821 is a deficient number, since it is larger than the sum of its proper divisors (26861779).

48043821 is a wasteful number, since it uses less digits than its factorization.

48043821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 48043821 is about 6931.3650170800. The cubic root of 48043821 is about 363.5346794303.

The spelling of 48043821 in words is "forty-eight million, forty-three thousand, eight hundred twenty-one".