551442223450 has 96 divisors (see below), whose sum is σ = 1110867457968. Its totient is φ = 202894848000.

The previous prime is 551442223441. The next prime is 551442223457. The reversal of 551442223450 is 54322244155.

It can be written as a sum of positive squares in 24 ways, for example, as 62319630321 + 489122593129 = 249639^2 + 699373^2 .

It is not an unprimeable number, because it can be changed into a prime (551442223457) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8106580 + ... + 8174320.

Almost surely, 2^551442223450 is an apocalyptic number.

551442223450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551442223450 is an abundant number, since it is smaller than the sum of its proper divisors (559425234518).

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

551442223450 is a wasteful number, since it uses less digits than its factorization.

551442223450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67988 (or 67983 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 551442223450 in words is "five hundred fifty-one billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred fifty".