551999982 has 16 divisors (see below), whose sum is σ = 1124830800. Its totient is φ = 180528192.

The previous prime is 551999971. The next prime is 551999993. The reversal of 551999982 is 289999155.

It is an interprime number because it is at equal distance from previous prime (551999971) and next prime (551999993).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867607 + ... + 868242.

It is an arithmetic number, because the mean of its divisors is an integer number (70301925).

Almost surely, 2^551999982 is an apocalyptic number.

551999982 is an abundant number, since it is smaller than the sum of its proper divisors (572830818).

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

551999982 is a wasteful number, since it uses less digits than its factorization.

551999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735907.

The product of its digits is 2624400, while the sum is 57.

The square root of 551999982 is about 23494.6798658760. The cubic root of 551999982 is about 820.3131770240.

It can be divided in two parts, 5519 and 99982, that added together give a palindrome (105501).

The spelling of 551999982 in words is "five hundred fifty-one million, nine hundred ninety-nine thousand, nine hundred eighty-two".