550975949 has 8 divisors (see below), whose sum is σ = 558106560. Its totient is φ = 543866400.

The previous prime is 550975939. The next prime is 550975951. The reversal of 550975949 is 949579055.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550975949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550975949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550975939) 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, 51254 + ... + 61064.

It is an arithmetic number, because the mean of its divisors is an integer number (69763320).

Almost surely, 2^550975949 is an apocalyptic number.

It is an amenable number.

550975949 is a deficient number, since it is larger than the sum of its proper divisors (7130611).

550975949 is an equidigital number, since it uses as much as digits as its factorization.

550975949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its (nonzero) digits is 2551500, while the sum is 53.

The square root of 550975949 is about 23472.8768794965. The cubic root of 550975949 is about 819.8055998614.

The spelling of 550975949 in words is "five hundred fifty million, nine hundred seventy-five thousand, nine hundred forty-nine".