555050005509 has 32 divisors (see below), whose sum is σ = 775253026944. Its totient is φ = 352946764800.

The previous prime is 555050005493. The next prime is 555050005513. The reversal of 555050005509 is 905500050555.

It is not a de Polignac number, because 555050005509 - 2⁴ = 555050005493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555050005519) 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, 659329 + ... + 1242905.

It is an arithmetic number, because the mean of its divisors is an integer number (24226657092).

Almost surely, 2^555050005509 is an apocalyptic number.

It is an amenable number.

555050005509 is a deficient number, since it is larger than the sum of its proper divisors (220203021435).

555050005509 is a wasteful number, since it uses less digits than its factorization.

555050005509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583797.

The product of its (nonzero) digits is 140625, while the sum is 39.

The spelling of 555050005509 in words is "five hundred fifty-five billion, fifty million, five thousand, five hundred nine".