49689061 has 2 divisors, whose sum is σ = 49689062. Its totient is φ = 49689060.

The previous prime is 49689049. The next prime is 49689103. The reversal of 49689061 is 16098694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47348161 + 2340900 = 6881^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 49689061 - 2⁹ = 49688549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49688999 and 49689017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49689041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24844530 + 24844531.

It is an arithmetic number, because the mean of its divisors is an integer number (24844531).

Almost surely, 2^49689061 is an apocalyptic number.

It is an amenable number.

49689061 is a deficient number, since it is larger than the sum of its proper divisors (1).

49689061 is an equidigital number, since it uses as much as digits as its factorization.

49689061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 49689061 is about 7049.0468149956. The cubic root of 49689061 is about 367.6378886211.

The spelling of 49689061 in words is "forty-nine million, six hundred eighty-nine thousand, sixty-one".