551080439 has 12 divisors (see below), whose sum is σ = 681980976. Its totient is φ = 436018752.

The previous prime is 551080403. The next prime is 551080441. The reversal of 551080439 is 934080155.

It is not a de Polignac number, because 551080439 - 2²⁰ = 550031863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551080399 and 551080408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551080639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231734 + ... + 234099.

It is an arithmetic number, because the mean of its divisors is an integer number (56831748).

Almost surely, 2^551080439 is an apocalyptic number.

551080439 is a deficient number, since it is larger than the sum of its proper divisors (130900537).

551080439 is a wasteful number, since it uses less digits than its factorization.

551080439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465866 (or 465853 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 551080439 is about 23475.1025343874. The cubic root of 551080439 is about 819.8574206791.

The spelling of 551080439 in words is "five hundred fifty-one million, eighty thousand, four hundred thirty-nine".