550499251 has 8 divisors (see below), whose sum is σ = 564412464. Its totient is φ = 536609280.

The previous prime is 550499233. The next prime is 550499263. The reversal of 550499251 is 152994055.

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 550499251 - 2¹⁷ = 550368179 is a prime.

It is a super-2 number, since 2×550499251² = 606098850703122002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550499051) 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, 48451 + ... + 58723.

It is an arithmetic number, because the mean of its divisors is an integer number (70551558).

Almost surely, 2^550499251 is an apocalyptic number.

550499251 is a deficient number, since it is larger than the sum of its proper divisors (13913213).

550499251 is a wasteful number, since it uses less digits than its factorization.

550499251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 550499251 is about 23462.7204518146. The cubic root of 550499251 is about 819.5691028783.

The spelling of 550499251 in words is "five hundred fifty million, four hundred ninety-nine thousand, two hundred fifty-one".