48856421 has 2 divisors, whose sum is σ = 48856422. Its totient is φ = 48856420.

The previous prime is 48856369. The next prime is 48856447. The reversal of 48856421 is 12465884.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32615521 + 16240900 = 5711^2 + 4030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48856421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48856121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24428210 + 24428211.

It is an arithmetic number, because the mean of its divisors is an integer number (24428211).

Almost surely, 2^48856421 is an apocalyptic number.

It is an amenable number.

48856421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48856421 is an equidigital number, since it uses as much as digits as its factorization.

48856421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 48856421 is about 6989.7368333865. The cubic root of 48856421 is about 365.5728067412.

The spelling of 48856421 in words is "forty-eight million, eight hundred fifty-six thousand, four hundred twenty-one".