551098 has 4 divisors (see below), whose sum is σ = 826650. Its totient is φ = 275548.

The previous prime is 551093. The next prime is 551099. The reversal of 551098 is 890155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 187489 = 603^2 + 433^2 .

It is not an unprimeable number, because it can be changed into a prime (551093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137773 + ... + 137776.

2⁵⁵¹⁰⁹⁸ is an apocalyptic number.

551098 is a deficient number, since it is larger than the sum of its proper divisors (275552).

551098 is a wasteful number, since it uses less digits than its factorization.

551098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275551.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 551098 is about 742.3597510641. The cubic root of 551098 is about 81.9866129246.

The spelling of 551098 in words is "five hundred fifty-one thousand, ninety-eight".