48576821 has 2 divisors, whose sum is σ = 48576822. Its totient is φ = 48576820.

The previous prime is 48576817. The next prime is 48576887. The reversal of 48576821 is 12867584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46430596 + 2146225 = 6814^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 48576821 - 2² = 48576817 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48573821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24288410 + 24288411.

It is an arithmetic number, because the mean of its divisors is an integer number (24288411).

Almost surely, 2^48576821 is an apocalyptic number.

It is an amenable number.

48576821 is a deficient number, since it is larger than the sum of its proper divisors (1).

48576821 is an equidigital number, since it uses as much as digits as its factorization.

48576821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 48576821 is about 6969.7073826668. The cubic root of 48576821 is about 364.8740943111.

The spelling of 48576821 in words is "forty-eight million, five hundred seventy-six thousand, eight hundred twenty-one".