49581853 has 2 divisors, whose sum is σ = 49581854. Its totient is φ = 49581852.

The previous prime is 49581839. The next prime is 49581863. The reversal of 49581853 is 35818594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43520409 + 6061444 = 6597^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 49581853 - 2¹³ = 49573661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49581823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24790926 + 24790927.

It is an arithmetic number, because the mean of its divisors is an integer number (24790927).

Almost surely, 2^49581853 is an apocalyptic number.

It is an amenable number.

49581853 is a deficient number, since it is larger than the sum of its proper divisors (1).

49581853 is an equidigital number, since it uses as much as digits as its factorization.

49581853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 49581853 is about 7041.4382763751. The cubic root of 49581853 is about 367.3732958244.

The spelling of 49581853 in words is "forty-nine million, five hundred eighty-one thousand, eight hundred fifty-three".