49799557 has 2 divisors, whose sum is σ = 49799558. Its totient is φ = 49799556.

The previous prime is 49799539. The next prime is 49799611. The reversal of 49799557 is 75599794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 6120676 = 6609^2 + 2474^2 .

It is a cyclic number.

It is not a de Polignac number, because 49799557 - 2¹¹ = 49797509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49799498 and 49799507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49799527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24899778 + 24899779.

It is an arithmetic number, because the mean of its divisors is an integer number (24899779).

Almost surely, 2^49799557 is an apocalyptic number.

It is an amenable number.

49799557 is a deficient number, since it is larger than the sum of its proper divisors (1).

49799557 is an equidigital number, since it uses as much as digits as its factorization.

49799557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 55.

The square root of 49799557 is about 7056.8801180125. The cubic root of 49799557 is about 367.9101983344.

The spelling of 49799557 in words is "forty-nine million, seven hundred ninety-nine thousand, five hundred fifty-seven".