48840557 has 2 divisors, whose sum is σ = 48840558. Its totient is φ = 48840556.

The previous prime is 48840551. The next prime is 48840559. The reversal of 48840557 is 75504884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 17547721 = 5594^2 + 4189^2 .

It is a cyclic number.

It is not a de Polignac number, because 48840557 - 2²⁴ = 32063341 is a prime.

Together with 48840559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48840551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24420278 + 24420279.

It is an arithmetic number, because the mean of its divisors is an integer number (24420279).

Almost surely, 2^48840557 is an apocalyptic number.

It is an amenable number.

48840557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48840557 is an equidigital number, since it uses as much as digits as its factorization.

48840557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 48840557 is about 6988.6019345789. The cubic root of 48840557 is about 365.5332344959.

The spelling of 48840557 in words is "forty-eight million, eight hundred forty thousand, five hundred fifty-seven".