49618555 has 16 divisors (see below), whose sum is σ = 68269824. Its totient is φ = 33913440.

The previous prime is 49618531. The next prime is 49618561. The reversal of 49618555 is 55581694.

It is not a de Polignac number, because 49618555 - 2¹¹ = 49616507 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9444 + ... + 13726.

It is an arithmetic number, because the mean of its divisors is an integer number (4266864).

Almost surely, 2^49618555 is an apocalyptic number.

49618555 is a deficient number, since it is larger than the sum of its proper divisors (18651269).

49618555 is a wasteful number, since it uses less digits than its factorization.

49618555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

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

The square root of 49618555 is about 7044.0439379663. The cubic root of 49618555 is about 367.4639204403.

The spelling of 49618555 in words is "forty-nine million, six hundred eighteen thousand, five hundred fifty-five".