550536643131 has 32 divisors (see below), whose sum is σ = 758378871360. Its totient is φ = 355099852800.

The previous prime is 550536643079. The next prime is 550536643177. The reversal of 550536643131 is 131346635055.

It is a happy number.

It is not a de Polignac number, because 550536643131 - 2¹⁴ = 550536626747 is a prime.

It is a super-2 number, since 2×550536643131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550536643031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3055821 + ... + 3230961.

It is an arithmetic number, because the mean of its divisors is an integer number (23699339730).

Almost surely, 2^550536643131 is an apocalyptic number.

550536643131 is a deficient number, since it is larger than the sum of its proper divisors (207842228229).

550536643131 is a wasteful number, since it uses less digits than its factorization.

550536643131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175487.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 550536643131 in words is "five hundred fifty billion, five hundred thirty-six million, six hundred forty-three thousand, one hundred thirty-one".