48545561 has 2 divisors, whose sum is σ = 48545562. Its totient is φ = 48545560.

The previous prime is 48545543. The next prime is 48545593. The reversal of 48545561 is 16554584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 1485961 = 6860^2 + 1219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48545561 is a prime.

It is not a weakly prime, because it can be changed into another prime (48545531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24272780 + 24272781.

It is an arithmetic number, because the mean of its divisors is an integer number (24272781).

Almost surely, 2^48545561 is an apocalyptic number.

It is an amenable number.

48545561 is a deficient number, since it is larger than the sum of its proper divisors (1).

48545561 is an equidigital number, since it uses as much as digits as its factorization.

48545561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 38.

The square root of 48545561 is about 6967.4644599022. The cubic root of 48545561 is about 364.7958099808.

The spelling of 48545561 in words is "forty-eight million, five hundred forty-five thousand, five hundred sixty-one".