48626821 has 4 divisors (see below), whose sum is σ = 49424044. Its totient is φ = 47829600.

The previous prime is 48626803. The next prime is 48626857. The reversal of 48626821 is 12862684.

48626821 is nontrivially palindromic in base 3.

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 4669921 + 43956900 = 2161^2 + 6630^2 .

It is a cyclic number.

It is not a de Polignac number, because 48626821 - 2⁵ = 48626789 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48626801) 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, 398520 + ... + 398641.

It is an arithmetic number, because the mean of its divisors is an integer number (12356011).

Almost surely, 2^48626821 is an apocalyptic number.

It is an amenable number.

48626821 is a deficient number, since it is larger than the sum of its proper divisors (797223).

48626821 is an equidigital number, since it uses as much as digits as its factorization.

48626821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797222.

The product of its digits is 36864, while the sum is 37.

The square root of 48626821 is about 6973.2934112943. The cubic root of 48626821 is about 364.9992393804. Note that the first 3 decimals are identical.

The spelling of 48626821 in words is "forty-eight million, six hundred twenty-six thousand, eight hundred twenty-one".