550500491 has 8 divisors (see below), whose sum is σ = 564577200. Its totient is φ = 536481792.

The previous prime is 550500487. The next prime is 550500493. The reversal of 550500491 is 194005055.

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 550500491 - 2² = 550500487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550500493) 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, 5051 + ... + 33563.

It is an arithmetic number, because the mean of its divisors is an integer number (70572150).

Almost surely, 2^550500491 is an apocalyptic number.

550500491 is a deficient number, since it is larger than the sum of its proper divisors (14076709).

550500491 is a wasteful number, since it uses less digits than its factorization.

550500491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29005.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 550500491 is about 23462.7468766980. The cubic root of 550500491 is about 819.5697182378.

The spelling of 550500491 in words is "five hundred fifty million, five hundred thousand, four hundred ninety-one".