550523139 has 16 divisors (see below), whose sum is σ = 741908640. Its totient is φ = 363087360.

The previous prime is 550523131. The next prime is 550523143. The reversal of 550523139 is 931325055.

It is not a de Polignac number, because 550523139 - 2³ = 550523131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550523131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403819 + ... + 405179.

It is an arithmetic number, because the mean of its divisors is an integer number (46369290).

Almost surely, 2^550523139 is an apocalyptic number.

550523139 is a deficient number, since it is larger than the sum of its proper divisors (191385501).

550523139 is a wasteful number, since it uses less digits than its factorization.

550523139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 550523139 is about 23463.2295091703. The cubic root of 550523139 is about 819.5809573198.

The spelling of 550523139 in words is "five hundred fifty million, five hundred twenty-three thousand, one hundred thirty-nine".