551936 has 66 divisors (see below), whose sum is σ = 1400148. Its totient is φ = 215040.

The previous prime is 551933. The next prime is 551951. The reversal of 551936 is 639155.

Its product of digits (4050) is a multiple of the sum of its prime factors (45).

It is a junction number, because it is equal to n+sod(n) for n = 551899 and 551908.

It is not an unprimeable number, because it can be changed into a prime (551933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50171 + ... + 50181.

2⁵⁵¹⁹³⁶ is an apocalyptic number.

551936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700074).

551936 is an abundant number, since it is smaller than the sum of its proper divisors (848212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551936 is a wasteful number, since it uses less digits than its factorization.

551936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45 (or 20 counting only the distinct ones).

The product of its digits is 4050, while the sum is 29.

The square root of 551936 is about 742.9239530396. The cubic root of 551936 is about 82.0281481790.

It can be divided in two parts, 5519 and 36, that added together give a palindrome (5555).

The spelling of 551936 in words is "five hundred fifty-one thousand, nine hundred thirty-six".