550960091 has 8 divisors (see below), whose sum is σ = 615707568. Its totient is φ = 488656000.

The previous prime is 550960087. The next prime is 550960121. The reversal of 550960091 is 190069055.

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 550960091 - 2² = 550960087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550960061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610370 + ... + 611271.

It is an arithmetic number, because the mean of its divisors is an integer number (76963446).

Almost surely, 2^550960091 is an apocalyptic number.

550960091 is a deficient number, since it is larger than the sum of its proper divisors (64747477).

550960091 is a wasteful number, since it uses less digits than its factorization.

550960091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221693.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 550960091 is about 23472.5390829369. The cubic root of 550960091 is about 819.7977346652.

The spelling of 550960091 in words is "five hundred fifty million, nine hundred sixty thousand, ninety-one".