550554998 has 8 divisors (see below), whose sum is σ = 943808592. Its totient is φ = 235952136.

The previous prime is 550554997. The next prime is 550555003. The reversal of 550554998 is 899455055.

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

It is a super-2 number, since 2×550554998² = 606221611645560008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550554997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19662665 + ... + 19662692.

It is an arithmetic number, because the mean of its divisors is an integer number (117976074).

Almost surely, 2^550554998 is an apocalyptic number.

550554998 is a deficient number, since it is larger than the sum of its proper divisors (393253594).

550554998 is a wasteful number, since it uses less digits than its factorization.

550554998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39325366.

The product of its (nonzero) digits is 1620000, while the sum is 50.

The square root of 550554998 is about 23463.9084127091. The cubic root of 550554998 is about 819.5967668436.

The spelling of 550554998 in words is "five hundred fifty million, five hundred fifty-four thousand, nine hundred ninety-eight".