505000054 has 48 divisors (see below), whose sum is σ = 850010112. Its totient is φ = 224781024.

The previous prime is 505000043. The next prime is 505000073. The reversal of 505000054 is 450000505.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 504999995 and 505000040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1318347 + ... + 1318729.

It is an arithmetic number, because the mean of its divisors is an integer number (17708544).

Almost surely, 2^505000054 is an apocalyptic number.

505000054 is a deficient number, since it is larger than the sum of its proper divisors (345010058).

505000054 is a wasteful number, since it uses less digits than its factorization.

505000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 505000054 is about 22472.2062557284. The cubic root of 505000054 is about 796.3374525632.

Adding to 505000054 its reverse (450000505), we get a palindrome (955000559).

The spelling of 505000054 in words is "five hundred five million, fifty-four", and thus it is an aban number.