49910101 has 2 divisors, whose sum is σ = 49910102. Its totient is φ = 49910100.

The previous prime is 49910071. The next prime is 49910117. The reversal of 49910101 is 10101994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 24900100 = 5001^2 + 4990^2 .

It is a cyclic number.

It is not a de Polignac number, because 49910101 - 2⁷ = 49909973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49910191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24955050 + 24955051.

It is an arithmetic number, because the mean of its divisors is an integer number (24955051).

Almost surely, 2^49910101 is an apocalyptic number.

It is an amenable number.

49910101 is a deficient number, since it is larger than the sum of its proper divisors (1).

49910101 is an equidigital number, since it uses as much as digits as its factorization.

49910101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 49910101 is about 7064.7081326832. The cubic root of 49910101 is about 368.1822235723.

The spelling of 49910101 in words is "forty-nine million, nine hundred ten thousand, one hundred one".