505551006 has 24 divisors (see below), whose sum is σ = 1095811704. Its totient is φ = 168447600.

The previous prime is 505550987. The next prime is 505551023. The reversal of 505551006 is 600155505.

505551006 is a `hidden beast` number, since 5 + 0 + 555 + 100 + 6 = 666.

It is a super-2 number, since 2×505551006² = 511163639335224072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58356 + ... + 66456.

It is an arithmetic number, because the mean of its divisors is an integer number (45658821).

Almost surely, 2^505551006 is an apocalyptic number.

505551006 is an abundant number, since it is smaller than the sum of its proper divisors (590260698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505551006 is a wasteful number, since it uses less digits than its factorization.

505551006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576 (or 11573 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 505551006 is about 22484.4614345107. The cubic root of 505551006 is about 796.6269470889.

The spelling of 505551006 in words is "five hundred five million, five hundred fifty-one thousand, six".