49556851 has 2 divisors, whose sum is σ = 49556852. Its totient is φ = 49556850.

The previous prime is 49556849. The next prime is 49556869. The reversal of 49556851 is 15865594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49556851 - 2¹ = 49556849 is a prime.

Together with 49556849, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 49556798 and 49556807.

It is not a weakly prime, because it can be changed into another prime (49556821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24778425 + 24778426.

It is an arithmetic number, because the mean of its divisors is an integer number (24778426).

Almost surely, 2^49556851 is an apocalyptic number.

49556851 is a deficient number, since it is larger than the sum of its proper divisors (1).

49556851 is an equidigital number, since it uses as much as digits as its factorization.

49556851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 43.

The square root of 49556851 is about 7039.6627049881. The cubic root of 49556851 is about 367.3115352481.

The spelling of 49556851 in words is "forty-nine million, five hundred fifty-six thousand, eight hundred fifty-one".