551670017 has 4 divisors (see below), whose sum is σ = 569465856. Its totient is φ = 533874180.

The previous prime is 551669983. The next prime is 551670023. The reversal of 551670017 is 710076155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551670017 - 2¹² = 551665921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551670517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8897873 + ... + 8897934.

It is an arithmetic number, because the mean of its divisors is an integer number (142366464).

Almost surely, 2^551670017 is an apocalyptic number.

It is an amenable number.

551670017 is a deficient number, since it is larger than the sum of its proper divisors (17795839).

551670017 is a wasteful number, since it uses less digits than its factorization.

551670017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795838.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 551670017 is about 23487.6566945279. The cubic root of 551670017 is about 820.1496935716.

The spelling of 551670017 in words is "five hundred fifty-one million, six hundred seventy thousand, seventeen".