50555505500555 has 16 divisors (see below), whose sum is σ = 66181951749888. Its totient is φ = 36767529756000.

The previous prime is 50555505500551. The next prime is 50555505500569. The reversal of 50555505500555 is 55500550555505.

It is not a de Polignac number, because 50555505500555 - 2² = 50555505500551 is a prime.

It is a super-2 number, since 2×50555505500555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555505500551) 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, 20063210 + ... + 22442000.

It is an arithmetic number, because the mean of its divisors is an integer number (4136371984368).

Almost surely, 2^{50555505500555} is an apocalyptic number.

50555505500555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50555505500555 is a deficient number, since it is larger than the sum of its proper divisors (15626446249333).

50555505500555 is a wasteful number, since it uses less digits than its factorization.

50555505500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765218.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 50555505500555 in words is "fifty trillion, five hundred fifty-five billion, five hundred five million, five hundred thousand, five hundred fifty-five".