50555118387 has 8 divisors (see below), whose sum is σ = 69228630736. Its totient is φ = 32792509152.

The previous prime is 50555118377. The next prime is 50555118389. The reversal of 50555118387 is 78381155505.

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

It is not a de Polignac number, because 50555118387 - 2⁴ = 50555118371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555118389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227725648 + ... + 227725869.

It is an arithmetic number, because the mean of its divisors is an integer number (8653578842).

Almost surely, 2^50555118387 is an apocalyptic number.

50555118387 is a deficient number, since it is larger than the sum of its proper divisors (18673512349).

50555118387 is a wasteful number, since it uses less digits than its factorization.

50555118387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455451557.

The product of its (nonzero) digits is 840000, while the sum is 48.

It can be divided in two parts, 50555118 and 387, that added together give a palindrome (50555505).

The spelling of 50555118387 in words is "fifty billion, five hundred fifty-five million, one hundred eighteen thousand, three hundred eighty-seven".