551498242 has 8 divisors (see below), whose sum is σ = 827535996. Its totient is φ = 275652912.

The previous prime is 551498221. The next prime is 551498243. The reversal of 551498242 is 242894155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 546203641 + 5294601 = 23371^2 + 2301^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 551498195 and 551498204.

It is not an unprimeable number, because it can be changed into a prime (551498243) 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, 40713 + ... + 52540.

Almost surely, 2^551498242 is an apocalyptic number.

551498242 is a deficient number, since it is larger than the sum of its proper divisors (276037754).

551498242 is a wasteful number, since it uses less digits than its factorization.

551498242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96212.

The product of its digits is 115200, while the sum is 40.

The square root of 551498242 is about 23483.9997019247. Note that the first 3 decimals coincide. The cubic root of 551498242 is about 820.0645606515.

The spelling of 551498242 in words is "five hundred fifty-one million, four hundred ninety-eight thousand, two hundred forty-two".