505535206055 has 8 divisors (see below), whose sum is σ = 661791542544. Its totient is φ = 367661968000.

The previous prime is 505535206031. The next prime is 505535206067. The reversal of 505535206055 is 550602535505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505535206055 - 2⁶ = 505535205991 is a prime.

It is a super-2 number, since 2×505535206055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 4595774546 + ... + 4595774655.

It is an arithmetic number, because the mean of its divisors is an integer number (82723942818).

Almost surely, 2^505535206055 is an apocalyptic number.

505535206055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505535206055 is a deficient number, since it is larger than the sum of its proper divisors (156256336489).

505535206055 is a wasteful number, since it uses less digits than its factorization.

505535206055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191549217.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 505535206055 in words is "five hundred five billion, five hundred thirty-five million, two hundred six thousand, fifty-five".