550552780 has 24 divisors (see below), whose sum is σ = 1156925952. Its totient is φ = 220075392.

The previous prime is 550552763. The next prime is 550552781. The reversal of 550552780 is 87255055.

It is not an unprimeable number, because it can be changed into a prime (550552781) by changing a digit.

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, 24984 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (48205248).

Almost surely, 2^550552780 is an apocalyptic number.

It is an amenable number.

550552780 is an abundant number, since it is smaller than the sum of its proper divisors (606373172).

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

550552780 is a wasteful number, since it uses less digits than its factorization.

550552780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18225 (or 18223 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 550552780 is about 23463.8611485834. The cubic root of 550552780 is about 819.5956662160.

It can be divided in two parts, 5505 and 52780, that added together give a palindrome (58285).

The spelling of 550552780 in words is "five hundred fifty million, five hundred fifty-two thousand, seven hundred eighty".