48408649 has 2 divisors, whose sum is σ = 48408650. Its totient is φ = 48408648.

The previous prime is 48408643. The next prime is 48408653. The reversal of 48408649 is 94680484.

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., 33640000 + 14768649 = 5800^2 + 3843^2 .

It is a cyclic number.

It is not a de Polignac number, because 48408649 - 2³ = 48408641 is a prime.

It is not a weakly prime, because it can be changed into another prime (48408641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24204324 + 24204325.

It is an arithmetic number, because the mean of its divisors is an integer number (24204325).

Almost surely, 2^48408649 is an apocalyptic number.

It is an amenable number.

48408649 is a deficient number, since it is larger than the sum of its proper divisors (1).

48408649 is an equidigital number, since it uses as much as digits as its factorization.

48408649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 48408649 is about 6957.6324277731. The cubic root of 48408649 is about 364.4525451557.

The spelling of 48408649 in words is "forty-eight million, four hundred eight thousand, six hundred forty-nine".