505061005550 has 12 divisors (see below), whose sum is σ = 939413470416. Its totient is φ = 202024402200.

The previous prime is 505061005549. The next prime is 505061005619. The reversal of 505061005550 is 55500160505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5050610006 + ... + 5050610105.

It is an arithmetic number, because the mean of its divisors is an integer number (78284455868).

Almost surely, 2^505061005550 is an apocalyptic number.

505061005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505061005550 is a deficient number, since it is larger than the sum of its proper divisors (434352464866).

505061005550 is a wasteful number, since it uses less digits than its factorization.

505061005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101220123 (or 10101220118 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 505061005550 in words is "five hundred five billion, sixty-one million, five thousand, five hundred fifty".