49602781 has 2 divisors, whose sum is σ = 49602782. Its totient is φ = 49602780.

The previous prime is 49602767. The next prime is 49602797. The reversal of 49602781 is 18720694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 111556 = 7035^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 49602781 - 2²¹ = 47505629 is a prime.

It is a super-3 number, since 3×49602781³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 49602781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49602701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24801390 + 24801391.

It is an arithmetic number, because the mean of its divisors is an integer number (24801391).

Almost surely, 2^49602781 is an apocalyptic number.

It is an amenable number.

49602781 is a deficient number, since it is larger than the sum of its proper divisors (1).

49602781 is an equidigital number, since it uses as much as digits as its factorization.

49602781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 49602781 is about 7042.9241796288. The cubic root of 49602781 is about 367.4249767412.

The spelling of 49602781 in words is "forty-nine million, six hundred two thousand, seven hundred eighty-one".