49999757 has 2 divisors, whose sum is σ = 49999758. Its totient is φ = 49999756.

The previous prime is 49999753. The next prime is 49999759. The reversal of 49999757 is 75799994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 11485321 = 6206^2 + 3389^2 .

It is a cyclic number.

It is not a de Polignac number, because 49999757 - 2² = 49999753 is a prime.

Together with 49999759, 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 = 49999696 and 49999705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999878 + 24999879.

It is an arithmetic number, because the mean of its divisors is an integer number (24999879).

Almost surely, 2^49999757 is an apocalyptic number.

It is an amenable number.

49999757 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999757 is an equidigital number, since it uses as much as digits as its factorization.

49999757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 59.

The square root of 49999757 is about 7071.0506291498. The cubic root of 49999757 is about 368.4025530500.

The spelling of 49999757 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred fifty-seven".