49783957 has 2 divisors, whose sum is σ = 49783958. Its totient is φ = 49783956.

The previous prime is 49783931. The next prime is 49783961. The reversal of 49783957 is 75938794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 19412836 = 5511^2 + 4406^2 .

It is a cyclic number.

It is not a de Polignac number, because 49783957 - 2¹⁵ = 49751189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49783457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24891978 + 24891979.

It is an arithmetic number, because the mean of its divisors is an integer number (24891979).

Almost surely, 2^49783957 is an apocalyptic number.

It is an amenable number.

49783957 is a deficient number, since it is larger than the sum of its proper divisors (1).

49783957 is an equidigital number, since it uses as much as digits as its factorization.

49783957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 49783957 is about 7055.7747271295. The cubic root of 49783957 is about 367.8717776546.

The spelling of 49783957 in words is "forty-nine million, seven hundred eighty-three thousand, nine hundred fifty-seven".