550000555493 has 8 divisors (see below), whose sum is σ = 567754427136. Its totient is φ = 532247428800.

The previous prime is 550000555459. The next prime is 550000555529. The reversal of 550000555493 is 394555000055.

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-550000555493 is a prime.

It is a super-2 number, since 2×550000555493² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550000555493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000555453) 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, 1580330 + ... + 1896692.

It is an arithmetic number, because the mean of its divisors is an integer number (70969303392).

Almost surely, 2^550000555493 is an apocalyptic number.

It is an amenable number.

550000555493 is a deficient number, since it is larger than the sum of its proper divisors (17753871643).

550000555493 is a wasteful number, since it uses less digits than its factorization.

550000555493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372475.

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 550000555493 in words is "five hundred fifty billion, five hundred fifty-five thousand, four hundred ninety-three".