49986829 has 2 divisors, whose sum is σ = 49986830. Its totient is φ = 49986828.

The previous prime is 49986773. The next prime is 49986841. The reversal of 49986829 is 92868994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 3337929 = 6830^2 + 1827^2 .

It is a cyclic number.

It is not a de Polignac number, because 49986829 - 2⁹ = 49986317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49986829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49986899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24993414 + 24993415.

It is an arithmetic number, because the mean of its divisors is an integer number (24993415).

Almost surely, 2^49986829 is an apocalyptic number.

It is an amenable number.

49986829 is a deficient number, since it is larger than the sum of its proper divisors (1).

49986829 is an equidigital number, since it uses as much as digits as its factorization.

49986829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The square root of 49986829 is about 7070.1364201831. The cubic root of 49986829 is about 368.3707987707.

The spelling of 49986829 in words is "forty-nine million, nine hundred eighty-six thousand, eight hundred twenty-nine".