49891043 has 2 divisors, whose sum is σ = 49891044. Its totient is φ = 49891042.

The previous prime is 49891031. The next prime is 49891063. The reversal of 49891043 is 34019894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49891043 - 2⁴ = 49891027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49890988 and 49891006.

It is not a weakly prime, because it can be changed into another prime (49891003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24945521 + 24945522.

It is an arithmetic number, because the mean of its divisors is an integer number (24945522).

Almost surely, 2^49891043 is an apocalyptic number.

49891043 is a deficient number, since it is larger than the sum of its proper divisors (1).

49891043 is an equidigital number, since it uses as much as digits as its factorization.

49891043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49891043 is about 7063.3591866760. The cubic root of 49891043 is about 368.1353545686.

The spelling of 49891043 in words is "forty-nine million, eight hundred ninety-one thousand, forty-three".