551164 has 6 divisors (see below), whose sum is σ = 964544. Its totient is φ = 275580.

The previous prime is 551143. The next prime is 551179. The reversal of 551164 is 461155.

551164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68892 + ... + 68899.

2⁵⁵¹¹⁶⁴ is an apocalyptic number.

It is an amenable number.

551164 is a deficient number, since it is larger than the sum of its proper divisors (413380).

551164 is a wasteful number, since it uses less digits than its factorization.

551164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137795 (or 137793 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 551164 is about 742.4042025743. The cubic root of 551164 is about 81.9898857245.

Subtracting from 551164 its product of digits (600), we obtain a square (550564 = 742²).

Subtracting from 551164 its reverse (461155), we obtain a palindrome (90009).

The spelling of 551164 in words is "five hundred fifty-one thousand, one hundred sixty-four".