551542446 has 112 divisors (see below), whose sum is σ = 1527017184. Its totient is φ = 145426752.

The previous prime is 551542367. The next prime is 551542463. The reversal of 551542446 is 644245155.

It is a super-3 number, since 3×551542446³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551542446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 130600 + ... + 134756.

It is an arithmetic number, because the mean of its divisors is an integer number (13634082).

Almost surely, 2^551542446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551542446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763508592).

551542446 is an abundant number, since it is smaller than the sum of its proper divisors (975474738).

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

551542446 is a wasteful number, since it uses less digits than its factorization.

551542446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4182 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 551542446 is about 23484.9408345007. The cubic root of 551542446 is about 820.0864701595.

It can be divided in two parts, 55154 and 2446, that added together give a square (57600 = 240²).

The spelling of 551542446 in words is "five hundred fifty-one million, five hundred forty-two thousand, four hundred forty-six".