49721033 has 2 divisors, whose sum is σ = 49721034. Its totient is φ = 49721032.

The previous prime is 49720981. The next prime is 49721053. The reversal of 49721033 is 33012794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 1098304 = 6973^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 49721033 - 2²⁰ = 48672457 is a prime.

It is a super-2 number, since 2×49721033² = 4944362245174178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49720987 and 49721005.

It is not a weakly prime, because it can be changed into another prime (49721053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24860516 + 24860517.

It is an arithmetic number, because the mean of its divisors is an integer number (24860517).

Almost surely, 2^49721033 is an apocalyptic number.

It is an amenable number.

49721033 is a deficient number, since it is larger than the sum of its proper divisors (1).

49721033 is an equidigital number, since it uses as much as digits as its factorization.

49721033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 49721033 is about 7051.3142746583. The cubic root of 49721033 is about 367.7167228635.

The spelling of 49721033 in words is "forty-nine million, seven hundred twenty-one thousand, thirty-three".