49045993 has 2 divisors, whose sum is σ = 49045994. Its totient is φ = 49045992.

The previous prime is 49045991. The next prime is 49046027. The reversal of 49045993 is 39954094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 7469289 = 6448^2 + 2733^2 .

It is a cyclic number.

It is not a de Polignac number, because 49045993 - 2¹ = 49045991 is a prime.

Together with 49045991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49045991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24522996 + 24522997.

It is an arithmetic number, because the mean of its divisors is an integer number (24522997).

Almost surely, 2^49045993 is an apocalyptic number.

It is an amenable number.

49045993 is a deficient number, since it is larger than the sum of its proper divisors (1).

49045993 is an equidigital number, since it uses as much as digits as its factorization.

49045993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 49045993 is about 7003.2844437449. The cubic root of 49045993 is about 366.0450266601.

The spelling of 49045993 in words is "forty-nine million, forty-five thousand, nine hundred ninety-three".