551137 has 4 divisors (see below), whose sum is σ = 552960. Its totient is φ = 549316.

The previous prime is 551129. The next prime is 551143. The reversal of 551137 is 731155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551137 - 2³ = 551129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551107) 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, 337 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2⁵⁵¹¹³⁷ is an apocalyptic number.

It is an amenable number.

551137 is a deficient number, since it is larger than the sum of its proper divisors (1823).

551137 is a wasteful number, since it uses less digits than its factorization.

551137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its digits is 525, while the sum is 22.

The square root of 551137 is about 742.3860181873. The cubic root of 551137 is about 81.9885468834.

The spelling of 551137 in words is "five hundred fifty-one thousand, one hundred thirty-seven".