48949421 has 2 divisors, whose sum is σ = 48949422. Its totient is φ = 48949420.

The previous prime is 48949399. The next prime is 48949447. The reversal of 48949421 is 12494984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43705321 + 5244100 = 6611^2 + 2290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48949421 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 (48949721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24474710 + 24474711.

It is an arithmetic number, because the mean of its divisors is an integer number (24474711).

Almost surely, 2^48949421 is an apocalyptic number.

It is an amenable number.

48949421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48949421 is an equidigital number, since it uses as much as digits as its factorization.

48949421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 48949421 is about 6996.3862815028. The cubic root of 48949421 is about 365.8046201569.

The spelling of 48949421 in words is "forty-eight million, nine hundred forty-nine thousand, four hundred twenty-one".