551665107 has 32 divisors (see below), whose sum is σ = 935989760. Its totient is φ = 314578080.

The previous prime is 551665099. The next prime is 551665117. The reversal of 551665107 is 701566155.

It is not a de Polignac number, because 551665107 - 2³ = 551665099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551665117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96057 + ... + 101637.

It is an arithmetic number, because the mean of its divisors is an integer number (29249680).

Almost surely, 2^551665107 is an apocalyptic number.

551665107 is a deficient number, since it is larger than the sum of its proper divisors (384324653).

551665107 is a wasteful number, since it uses less digits than its factorization.

551665107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120 (or 6114 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 551665107 is about 23487.5521713098. The cubic root of 551665107 is about 820.1472603858.

The spelling of 551665107 in words is "five hundred fifty-one million, six hundred sixty-five thousand, one hundred seven".