550356656525 has 24 divisors (see below), whose sum is σ = 735325243464. Its totient is φ = 406202976000.

The previous prime is 550356656519. The next prime is 550356656557. The reversal of 550356656525 is 525656653055.

It can be written as a sum of positive squares in 12 ways, for example, as 313847568841 + 236509087684 = 560221^2 + 486322^2 .

It is not a de Polignac number, because 550356656525 - 2²⁸ = 550088221069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172427 + ... + 1063223.

It is an arithmetic number, because the mean of its divisors is an integer number (30638551811).

Almost surely, 2^550356656525 is an apocalyptic number.

It is an amenable number.

550356656525 is a deficient number, since it is larger than the sum of its proper divisors (184968586939).

550356656525 is a wasteful number, since it uses less digits than its factorization.

550356656525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892721 (or 892716 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 53.

The spelling of 550356656525 in words is "five hundred fifty billion, three hundred fifty-six million, six hundred fifty-six thousand, five hundred twenty-five".