551945426 has 32 divisors (see below), whose sum is σ = 892296000. Its totient is φ = 255135232.

The previous prime is 551945417. The next prime is 551945431. The reversal of 551945426 is 624549155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541145 + ... + 542163.

It is an arithmetic number, because the mean of its divisors is an integer number (27884250).

Almost surely, 2^551945426 is an apocalyptic number.

551945426 is a deficient number, since it is larger than the sum of its proper divisors (340350574).

551945426 is a wasteful number, since it uses less digits than its factorization.

551945426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its digits is 216000, while the sum is 41.

The square root of 551945426 is about 23493.5188083863. The cubic root of 551945426 is about 820.2861513709.

The spelling of 551945426 in words is "five hundred fifty-one million, nine hundred forty-five thousand, four hundred twenty-six".