550161420 has 24 divisors (see below), whose sum is σ = 1540452144. Its totient is φ = 146709696.

The previous prime is 550161383. The next prime is 550161431. The reversal of 550161420 is 24161055.

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 7 ways as a sum of consecutive naturals, for example, 4584619 + ... + 4584738.

It is an arithmetic number, because the mean of its divisors is an integer number (64185506).

Almost surely, 2^550161420 is an apocalyptic number.

It is an amenable number.

550161420 is an abundant number, since it is smaller than the sum of its proper divisors (990290724).

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

550161420 is a wasteful number, since it uses less digits than its factorization.

550161420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169369 (or 9169367 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 550161420 is about 23455.5200326064. The cubic root of 550161420 is about 819.4014172086.

The spelling of 550161420 in words is "five hundred fifty million, one hundred sixty-one thousand, four hundred twenty".