551077 has 4 divisors (see below), whose sum is σ = 558700. Its totient is φ = 543456.

The previous prime is 551069. The next prime is 551093. The reversal of 551077 is 770155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 159201 = 626^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 551077 - 2³ = 551069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551017) 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, 3702 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (139675).

2⁵⁵¹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

551077 is a deficient number, since it is larger than the sum of its proper divisors (7623).

551077 is an equidigital number, since it uses as much as digits as its factorization.

551077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622.

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

The square root of 551077 is about 742.3456068436. The cubic root of 551077 is about 81.9855715244.

The spelling of 551077 in words is "five hundred fifty-one thousand, seventy-seven".