551356 has 24 divisors (see below), whose sum is σ = 1086624. Its totient is φ = 242880.

The previous prime is 551347. The next prime is 551363. The reversal of 551356 is 653155.

551356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 551356.

It is a congruent 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, 966 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (45276).

2⁵⁵¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

551356 is a deficient number, since it is larger than the sum of its proper divisors (535268).

551356 is a wasteful number, since it uses less digits than its factorization.

551356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 551356 is about 742.5335009277. The cubic root of 551356 is about 81.9994051117. Note that the first 3 decimals are identical.

The spelling of 551356 in words is "five hundred fifty-one thousand, three hundred fifty-six".