551016065 has 8 divisors (see below), whose sum is σ = 661674048. Its totient is φ = 440509680.

The previous prime is 551016049. The next prime is 551016071. The reversal of 551016065 is 560610155.

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

It is not a de Polignac number, because 551016065 - 2⁴ = 551016049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29741 + ... + 44570.

It is an arithmetic number, because the mean of its divisors is an integer number (82709256).

Almost surely, 2^551016065 is an apocalyptic number.

It is an amenable number.

551016065 is a deficient number, since it is larger than the sum of its proper divisors (110657983).

551016065 is a wasteful number, since it uses less digits than its factorization.

551016065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75799.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 551016065 is about 23473.7313821216. The cubic root of 551016065 is about 819.8254957833.

The spelling of 551016065 in words is "five hundred fifty-one million, sixteen thousand, sixty-five".