505500454 has 8 divisors (see below), whose sum is σ = 760949928. Its totient is φ = 251850480.

The previous prime is 505500451. The next prime is 505500467. The reversal of 505500454 is 454005505.

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

It is a super-2 number, since 2×505500454² = 511061417988412232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505500451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 449172 + ... + 450295.

It is an arithmetic number, because the mean of its divisors is an integer number (95118741).

Almost surely, 2^505500454 is an apocalyptic number.

505500454 is a deficient number, since it is larger than the sum of its proper divisors (255449474).

505500454 is a wasteful number, since it uses less digits than its factorization.

505500454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899750.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 505500454 is about 22483.3372522853. The cubic root of 505500454 is about 796.6003936008.

Adding to 505500454 its reverse (454005505), we get a palindrome (959505959).

The spelling of 505500454 in words is "five hundred five million, five hundred thousand, four hundred fifty-four".