48897691 has 2 divisors, whose sum is σ = 48897692. Its totient is φ = 48897690.

The previous prime is 48897677. The next prime is 48897721. The reversal of 48897691 is 19679884.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48897691 - 2¹³ = 48889499 is a prime.

It is not a weakly prime, because it can be changed into another prime (48897601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24448845 + 24448846.

It is an arithmetic number, because the mean of its divisors is an integer number (24448846).

Almost surely, 2^48897691 is an apocalyptic number.

48897691 is a deficient number, since it is larger than the sum of its proper divisors (1).

48897691 is an equidigital number, since it uses as much as digits as its factorization.

48897691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 48897691 is about 6992.6883957459. The cubic root of 48897691 is about 365.6757133347.

The spelling of 48897691 in words is "forty-eight million, eight hundred ninety-seven thousand, six hundred ninety-one".