550431746 has 16 divisors (see below), whose sum is σ = 874726776. Its totient is φ = 258875136.

The previous prime is 550431743. The next prime is 550431769. The reversal of 550431746 is 647134055.

550431746 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 550418521 + 13225 = 23461^2 + 115^2 .

It is not an unprimeable number, because it can be changed into a prime (550431743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72440 + ... + 79676.

Almost surely, 2^550431746 is an apocalyptic number.

550431746 is a deficient number, since it is larger than the sum of its proper divisors (324295030).

550431746 is a wasteful number, since it uses less digits than its factorization.

550431746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 550431746 is about 23461.2818490380. The cubic root of 550431746 is about 819.5356016072.

The spelling of 550431746 in words is "five hundred fifty million, four hundred thirty-one thousand, seven hundred forty-six".