501055506655 has 16 divisors (see below), whose sum is σ = 655964618400. Its totient is φ = 364383221760.

The previous prime is 501055506647. The next prime is 501055506671. The reversal of 501055506655 is 556605550105.

It is not a de Polignac number, because 501055506655 - 2³ = 501055506647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748591 + ... + 1249999.

It is an arithmetic number, because the mean of its divisors is an integer number (40997788650).

Almost surely, 2^501055506655 is an apocalyptic number.

501055506655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501055506655 is a deficient number, since it is larger than the sum of its proper divisors (154909111745).

501055506655 is a wasteful number, since it uses less digits than its factorization.

501055506655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519594.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 501055506655 in words is "five hundred one billion, fifty-five million, five hundred six thousand, six hundred fifty-five".