47557049 has 2 divisors, whose sum is σ = 47557050. Its totient is φ = 47557048.

The previous prime is 47557039. The next prime is 47557051. The reversal of 47557049 is 94075574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 8369449 = 6260^2 + 2893^2 .

It is a cyclic number.

It is not a de Polignac number, because 47557049 - 2⁴ = 47557033 is a prime.

Together with 47557051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47556997 and 47557015.

It is not a weakly prime, because it can be changed into another prime (47557039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23778524 + 23778525.

It is an arithmetic number, because the mean of its divisors is an integer number (23778525).

Almost surely, 2^47557049 is an apocalyptic number.

It is an amenable number.

47557049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47557049 is an equidigital number, since it uses as much as digits as its factorization.

47557049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 47557049 is about 6896.1619035519. The cubic root of 47557049 is about 362.3027518262.

The spelling of 47557049 in words is "forty-seven million, five hundred fifty-seven thousand, forty-nine".