501055651 has 4 divisors (see below), whose sum is σ = 512708152. Its totient is φ = 489403152.

The previous prime is 501055627. The next prime is 501055657. The reversal of 501055651 is 156550105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 501055651 - 2⁵ = 501055619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501055657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5826186 + ... + 5826271.

It is an arithmetic number, because the mean of its divisors is an integer number (128177038).

Almost surely, 2^501055651 is an apocalyptic number.

501055651 is a deficient number, since it is larger than the sum of its proper divisors (11652501).

501055651 is a wasteful number, since it uses less digits than its factorization.

501055651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11652500.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 501055651 is about 22384.2724027385. The cubic root of 501055651 is about 794.2587138365.

The spelling of 501055651 in words is "five hundred one million, fifty-five thousand, six hundred fifty-one".