49999555 has 8 divisors (see below), whose sum is σ = 60196752. Its totient is φ = 39868128.

The previous prime is 49999553. The next prime is 49999561. The reversal of 49999555 is 55599994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49999555 - 2¹ = 49999553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49999496 and 49999505.

It is not an unprimeable number, because it can be changed into a prime (49999553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14752 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (7524594).

Almost surely, 2^49999555 is an apocalyptic number.

49999555 is a deficient number, since it is larger than the sum of its proper divisors (10197197).

49999555 is a wasteful number, since it uses less digits than its factorization.

49999555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32885.

The product of its digits is 3280500, while the sum is 55.

The square root of 49999555 is about 7071.0363455437. The cubic root of 49999555 is about 368.4020569315.

The spelling of 49999555 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred fifty-five".