49784957 has 2 divisors, whose sum is σ = 49784958. Its totient is φ = 49784956.

The previous prime is 49784941. The next prime is 49784963. The reversal of 49784957 is 75948794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 3463321 = 6806^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 49784957 - 2⁴ = 49784941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49784899 and 49784908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49780957) 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, 24892478 + 24892479.

It is an arithmetic number, because the mean of its divisors is an integer number (24892479).

Almost surely, 2^49784957 is an apocalyptic number.

It is an amenable number.

49784957 is a deficient number, since it is larger than the sum of its proper divisors (1).

49784957 is an equidigital number, since it uses as much as digits as its factorization.

49784957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 49784957 is about 7055.8455907141. The cubic root of 49784957 is about 367.8742407594.

The spelling of 49784957 in words is "forty-nine million, seven hundred eighty-four thousand, nine hundred fifty-seven".