49800563855 has 16 divisors (see below), whose sum is σ = 69751065600. Its totient is φ = 33422383392.

The previous prime is 49800563851. The next prime is 49800563887. The reversal of 49800563855 is 55836500894.

It is a cyclic number.

It is not a de Polignac number, because 49800563855 - 2² = 49800563851 is a prime.

It is a super-2 number, since 2×49800563855² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49800563797 and 49800563806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49800563851) 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 15 ways as a sum of consecutive naturals, for example, 15135305 + ... + 15138594.

It is an arithmetic number, because the mean of its divisors is an integer number (4359441600).

Almost surely, 2^49800563855 is an apocalyptic number.

49800563855 is a deficient number, since it is larger than the sum of its proper divisors (19950501745).

49800563855 is a wasteful number, since it uses less digits than its factorization.

49800563855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30273958.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 49800563855 in words is "forty-nine billion, eight hundred million, five hundred sixty-three thousand, eight hundred fifty-five".