50550554999985 has 32 divisors (see below), whose sum is σ = 85146037176960. Its totient is φ = 25538854952448.

The previous prime is 50550554999983. The next prime is 50550555000019. The reversal of 50550554999985 is 58999945505505.

It is not a de Polignac number, because 50550554999985 - 2¹ = 50550554999983 is a prime.

It is a super-2 number, since 2×50550554999985² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50550554999985.

It is not an unprimeable number, because it can be changed into a prime (50550554999983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5660154 + ... + 11538563.

It is an arithmetic number, because the mean of its divisors is an integer number (2660813661780).

Almost surely, 2^{50550554999985} is an apocalyptic number.

It is an amenable number.

50550554999985 is a deficient number, since it is larger than the sum of its proper divisors (34595482176975).

50550554999985 is a wasteful number, since it uses less digits than its factorization.

50550554999985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17209057.

The product of its (nonzero) digits is 3280500000, while the sum is 78.

The spelling of 50550554999985 in words is "fifty trillion, five hundred fifty billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred eighty-five".