48775421 has 2 divisors, whose sum is σ = 48775422. Its totient is φ = 48775420.

The previous prime is 48775409. The next prime is 48775439. The reversal of 48775421 is 12457784.

48775421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48511225 + 264196 = 6965^2 + 514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48775421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48775481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24387710 + 24387711.

It is an arithmetic number, because the mean of its divisors is an integer number (24387711).

Almost surely, 2^48775421 is an apocalyptic number.

It is an amenable number.

48775421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48775421 is an equidigital number, since it uses as much as digits as its factorization.

48775421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 48775421 is about 6983.9402202482. The cubic root of 48775421 is about 365.3706649260.

The spelling of 48775421 in words is "forty-eight million, seven hundred seventy-five thousand, four hundred twenty-one".