551196426 has 64 divisors (see below), whose sum is σ = 1259836416. Its totient is φ = 159139200.

The previous prime is 551196419. The next prime is 551196431. The reversal of 551196426 is 624691155.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501910 + ... + 503006.

It is an arithmetic number, because the mean of its divisors is an integer number (19684944).

Almost surely, 2^551196426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551196426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629918208).

551196426 is an abundant number, since it is smaller than the sum of its proper divisors (708639990).

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

551196426 is a wasteful number, since it uses less digits than its factorization.

551196426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 64800, while the sum is 39.

The square root of 551196426 is about 23477.5728302565. The cubic root of 551196426 is about 819.9149356535.

The spelling of 551196426 in words is "five hundred fifty-one million, one hundred ninety-six thousand, four hundred twenty-six".