509000054 has 8 divisors (see below), whose sum is σ = 789827760. Its totient is φ = 245724136.

The previous prime is 508999999. The next prime is 509000087. The reversal of 509000054 is 450000905.

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

It is a junction number, because it is equal to n+sod(n) for n = 508999993 and 509000029.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4387874 + ... + 4387989.

It is an arithmetic number, because the mean of its divisors is an integer number (98728470).

Almost surely, 2^509000054 is an apocalyptic number.

509000054 is a deficient number, since it is larger than the sum of its proper divisors (280827706).

509000054 is a wasteful number, since it uses less digits than its factorization.

509000054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775894.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 509000054 is about 22561.0295421109. The cubic root of 509000054 is about 798.4344665045.

Adding to 509000054 its reverse (450000905), we get a palindrome (959000959).

The spelling of 509000054 in words is "five hundred nine million, fifty-four", and thus it is an aban number.