49721701 has 2 divisors, whose sum is σ = 49721702. Its totient is φ = 49721700.

The previous prime is 49721671. The next prime is 49721713. The reversal of 49721701 is 10712794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 5764801 = 6630^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 49721701 - 2⁵ = 49721669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49721741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24860850 + 24860851.

It is an arithmetic number, because the mean of its divisors is an integer number (24860851).

Almost surely, 2^49721701 is an apocalyptic number.

It is an amenable number.

49721701 is a deficient number, since it is larger than the sum of its proper divisors (1).

49721701 is an equidigital number, since it uses as much as digits as its factorization.

49721701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 49721701 is about 7051.3616415555. The cubic root of 49721701 is about 367.7183696091.

The spelling of 49721701 in words is "forty-nine million, seven hundred twenty-one thousand, seven hundred one".