551530542 has 8 divisors (see below), whose sum is σ = 1103061096. Its totient is φ = 183843512.

The previous prime is 551530531. The next prime is 551530607. The reversal of 551530542 is 245035155.

It is a happy number.

551530542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

551530542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45960873 + ... + 45960884.

It is an arithmetic number, because the mean of its divisors is an integer number (137882637).

Almost surely, 2^551530542 is an apocalyptic number.

551530542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551530542 is a wasteful number, since it uses less digits than its factorization.

551530542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91921762.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 551530542 is about 23484.6873941298. The cubic root of 551530542 is about 820.0805701122.

Adding to 551530542 its reverse (245035155), we get a palindrome (796565697).

The spelling of 551530542 in words is "five hundred fifty-one million, five hundred thirty thousand, five hundred forty-two".