48831569 has 2 divisors, whose sum is σ = 48831570. Its totient is φ = 48831568.

The previous prime is 48831529. The next prime is 48831571. The reversal of 48831569 is 96513884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 2930944 = 6775^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 48831569 - 2¹⁶ = 48766033 is a prime.

It is a super-2 number, since 2×48831569² = 4769044262003522, which contains 22 as substring.

Together with 48831571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48831529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24415784 + 24415785.

It is an arithmetic number, because the mean of its divisors is an integer number (24415785).

Almost surely, 2^48831569 is an apocalyptic number.

It is an amenable number.

48831569 is a deficient number, since it is larger than the sum of its proper divisors (1).

48831569 is an equidigital number, since it uses as much as digits as its factorization.

48831569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 48831569 is about 6987.9588579212. The cubic root of 48831569 is about 365.5108104118.

The spelling of 48831569 in words is "forty-eight million, eight hundred thirty-one thousand, five hundred sixty-nine".