49855961 has 2 divisors, whose sum is σ = 49855962. Its totient is φ = 49855960.

The previous prime is 49855937. The next prime is 49855991. The reversal of 49855961 is 16955894.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34987225 + 14868736 = 5915^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 49855961 - 2¹⁴ = 49839577 is a prime.

It is not a weakly prime, because it can be changed into another prime (49855921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24927980 + 24927981.

It is an arithmetic number, because the mean of its divisors is an integer number (24927981).

Almost surely, 2^49855961 is an apocalyptic number.

It is an amenable number.

49855961 is a deficient number, since it is larger than the sum of its proper divisors (1).

49855961 is an equidigital number, since it uses as much as digits as its factorization.

49855961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 47.

The square root of 49855961 is about 7060.8753706605. The cubic root of 49855961 is about 368.0490468064.

The spelling of 49855961 in words is "forty-nine million, eight hundred fifty-five thousand, nine hundred sixty-one".