49801 has 2 divisors, whose sum is σ = 49802. Its totient is φ = 49800.

The previous prime is 49789. The next prime is 49807. The reversal of 49801 is 10894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40000 + 9801 = 200^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 49801 - 2¹³ = 41609 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (49807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24900 + 24901.

It is an arithmetic number, because the mean of its divisors is an integer number (24901).

2⁴⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

49801 is a deficient number, since it is larger than the sum of its proper divisors (1).

49801 is an equidigital number, since it uses as much as digits as its factorization.

49801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 49801 is about 223.1613765865. The cubic root of 49801 is about 36.7913751842.

It can be divided in two parts, 4 and 9801, that multiplied together give a square (39204 = 198²).

The spelling of 49801 in words is "forty-nine thousand, eight hundred one".