505505555006 has 4 divisors (see below), whose sum is σ = 758258332512. Its totient is φ = 252752777502.

The previous prime is 505505554997. The next prime is 505505555041. The reversal of 505505555006 is 600555505505.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×505505555006² (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 as a sum of consecutive naturals, namely, 126376388750 + ... + 126376388753.

It is an arithmetic number, because the mean of its divisors is an integer number (189564583128).

Almost surely, 2^505505555006 is an apocalyptic number.

505505555006 is a deficient number, since it is larger than the sum of its proper divisors (252752777506).

505505555006 is a wasteful number, since it uses less digits than its factorization.

505505555006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252752777505.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 505505555006 in words is "five hundred five billion, five hundred five million, five hundred fifty-five thousand, six".