551926 has 4 divisors (see below), whose sum is σ = 827892. Its totient is φ = 275962.

The previous prime is 551917. The next prime is 551927. The reversal of 551926 is 629155.

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

It is a junction number, because it is equal to n+sod(n) for n = 551894 and 551903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137980 + ... + 137983.

It is an arithmetic number, because the mean of its divisors is an integer number (206973).

2⁵⁵¹⁹²⁶ is an apocalyptic number.

551926 is a deficient number, since it is larger than the sum of its proper divisors (275966).

551926 is a wasteful number, since it uses less digits than its factorization.

551926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275965.

The product of its digits is 2700, while the sum is 28.

The square root of 551926 is about 742.9172228452. The cubic root of 551926 is about 82.0276527795.

The spelling of 551926 in words is "five hundred fifty-one thousand, nine hundred twenty-six".