501055556055 has 16 divisors (see below), whose sum is σ = 829333334880. Its totient is φ = 258014814848.

The previous prime is 501055556039. The next prime is 501055556059. The reversal of 501055556055 is 550655550105.

It is a cyclic number.

It is not a de Polignac number, because 501055556055 - 2⁴ = 501055556039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501055555998 and 501055556016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501055556059) 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, 575925492 + ... + 575926361.

It is an arithmetic number, because the mean of its divisors is an integer number (51833333430).

Almost surely, 2^501055556055 is an apocalyptic number.

501055556055 is a deficient number, since it is larger than the sum of its proper divisors (328277778825).

501055556055 is a wasteful number, since it uses less digits than its factorization.

501055556055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151851890.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 501055556055 in words is "five hundred one billion, fifty-five million, five hundred fifty-six thousand, fifty-five".