551059439 has 6 divisors (see below), whose sum is σ = 641028384. Its totient is φ = 472336620.

The previous prime is 551059433. The next prime is 551059499. The reversal of 551059439 is 934950155.

It is a happy number.

It is not a de Polignac number, because 551059439 - 2¹⁶ = 550993903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551059396 and 551059405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551059433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5623007 + ... + 5623104.

It is an arithmetic number, because the mean of its divisors is an integer number (106838064).

Almost surely, 2^551059439 is an apocalyptic number.

551059439 is a deficient number, since it is larger than the sum of its proper divisors (89968945).

551059439 is a wasteful number, since it uses less digits than its factorization.

551059439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246125 (or 11246118 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 551059439 is about 23474.6552477347. The cubic root of 551059439 is about 819.8470064556.

The spelling of 551059439 in words is "five hundred fifty-one million, fifty-nine thousand, four hundred thirty-nine".