551707 has 12 divisors (see below), whose sum is σ = 630336. Its totient is φ = 479520.

The previous prime is 551693. The next prime is 551713. The reversal of 551707 is 707155.

551707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-551707 is a prime.

It is a super-2 number, since 2×551707² = 608761227698, which contains 22 as substring.

It is a Duffinian number.

551707 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (551717) 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, 14893 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (52528).

2⁵⁵¹⁷⁰⁷ is an apocalyptic number.

551707 is a deficient number, since it is larger than the sum of its proper divisors (78629).

551707 is a wasteful number, since it uses less digits than its factorization.

551707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 551707 is about 742.7698162957. The cubic root of 551707 is about 82.0168020299.

The spelling of 551707 in words is "five hundred fifty-one thousand, seven hundred seven".