505045954550 has 48 divisors (see below), whose sum is σ = 951197213232. Its totient is φ = 199490304000.

The previous prime is 505045954541. The next prime is 505045954559. The reversal of 505045954550 is 55459540505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505045954541) and next prime (505045954559).

It is a junction number, because it is equal to n+sod(n) for n = 505045954495 and 505045954504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045954559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1523750 + ... + 1825350.

It is an arithmetic number, because the mean of its divisors is an integer number (19816608609).

Almost surely, 2^505045954550 is an apocalyptic number.

505045954550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505045954550 is a deficient number, since it is larger than the sum of its proper divisors (446151258682).

505045954550 is a wasteful number, since it uses less digits than its factorization.

505045954550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302033 (or 302028 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 505045954550 in words is "five hundred five billion, forty-five million, nine hundred fifty-four thousand, five hundred fifty".