500551001 has 8 divisors (see below), whose sum is σ = 535054464. Its totient is φ = 467109280.

The previous prime is 500550997. The next prime is 500551013. The reversal of 500551001 is 100155005.

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

It is a cyclic number.

It is not a de Polignac number, because 500551001 - 2² = 500550997 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (500551021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264461 + ... + 266346.

It is an arithmetic number, because the mean of its divisors is an integer number (66881808).

Almost surely, 2^500551001 is an apocalyptic number.

It is an amenable number.

500551001 is a deficient number, since it is larger than the sum of its proper divisors (34503463).

500551001 is a wasteful number, since it uses less digits than its factorization.

500551001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530871.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 500551001 is about 22372.9971394089. The cubic root of 500551001 is about 793.9919721412.

It can be divided in two parts, 50055 and 1001, that multiplied together give a triangular number (50105055 = T₁₀₀₁₀).

The spelling of 500551001 in words is "five hundred million, five hundred fifty-one thousand, one".