505353165554 has 16 divisors (see below), whose sum is σ = 784319198400. Its totient is φ = 243916777104.

The previous prime is 505353165529. The next prime is 505353165571. The reversal of 505353165554 is 455561353505.

It is a junction number, because it is equal to n+sod(n) for n = 505353165499 and 505353165508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530294 + ... + 1136625.

It is an arithmetic number, because the mean of its divisors is an integer number (49019949900).

Almost surely, 2^505353165554 is an apocalyptic number.

505353165554 is a deficient number, since it is larger than the sum of its proper divisors (278966032846).

505353165554 is a wasteful number, since it uses less digits than its factorization.

505353165554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672177.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 505353165554 in words is "five hundred five billion, three hundred fifty-three million, one hundred sixty-five thousand, five hundred fifty-four".