50555555505555 has 16 divisors (see below), whose sum is σ = 83075074993824. Its totient is φ = 26234234208000.

The previous prime is 50555555505551. The next prime is 50555555505563. The reversal of 50555555505555 is 55550555555505.

It is not a de Polignac number, because 50555555505555 - 2² = 50555555505551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50555555505551) 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, 45545544946 + ... + 45545546055.

It is an arithmetic number, because the mean of its divisors is an integer number (5192192187114).

Almost surely, 2^{50555555505555} is an apocalyptic number.

50555555505555 is a deficient number, since it is larger than the sum of its proper divisors (32519519488269).

50555555505555 is a wasteful number, since it uses less digits than its factorization.

50555555505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91091091046.

The product of its (nonzero) digits is 244140625, while the sum is 60.

The spelling of 50555555505555 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred five thousand, five hundred fifty-five".