551358559 has 8 divisors (see below), whose sum is σ = 553882032. Its totient is φ = 548841600.

The previous prime is 551358539. The next prime is 551358589. The reversal of 551358559 is 955853155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 551358559 - 2¹⁵ = 551325791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551358539) 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, 244692 + ... + 246934.

It is an arithmetic number, because the mean of its divisors is an integer number (69235254).

Almost surely, 2^551358559 is an apocalyptic number.

551358559 is a deficient number, since it is larger than the sum of its proper divisors (2523473).

551358559 is a wasteful number, since it uses less digits than its factorization.

551358559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257.

The product of its digits is 675000, while the sum is 46.

The square root of 551358559 is about 23481.0255099729. The cubic root of 551358559 is about 819.9953197234.

The spelling of 551358559 in words is "five hundred fifty-one million, three hundred fifty-eight thousand, five hundred fifty-nine".