49894543 has 2 divisors, whose sum is σ = 49894544. Its totient is φ = 49894542.

The previous prime is 49894501. The next prime is 49894549. The reversal of 49894543 is 34549894.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49894543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49894493 and 49894502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49894549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24947271 + 24947272.

It is an arithmetic number, because the mean of its divisors is an integer number (24947272).

Almost surely, 2^49894543 is an apocalyptic number.

49894543 is a deficient number, since it is larger than the sum of its proper divisors (1).

49894543 is an equidigital number, since it uses as much as digits as its factorization.

49894543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 49894543 is about 7063.6069398007. The cubic root of 49894543 is about 368.1439629515.

The spelling of 49894543 in words is "forty-nine million, eight hundred ninety-four thousand, five hundred forty-three".