49177239855 has 16 divisors (see below), whose sum is σ = 83312030304. Its totient is φ = 24685045760.

The previous prime is 49177239841. The next prime is 49177239857. The reversal of 49177239855 is 55893277194.

It is a happy number.

49177239855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49177239855 - 2¹¹ = 49177237807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49177239857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96425706 + ... + 96426215.

It is an arithmetic number, because the mean of its divisors is an integer number (5207001894).

Almost surely, 2^49177239855 is an apocalyptic number.

49177239855 is a deficient number, since it is larger than the sum of its proper divisors (34134790449).

49177239855 is a wasteful number, since it uses less digits than its factorization.

49177239855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192851946.

The product of its digits is 19051200, while the sum is 60.

The spelling of 49177239855 in words is "forty-nine billion, one hundred seventy-seven million, two hundred thirty-nine thousand, eight hundred fifty-five".