555507745407 has 8 divisors (see below), whose sum is σ = 822974437680. Its totient is φ = 370338496920.

The previous prime is 555507745399. The next prime is 555507745447. The reversal of 555507745407 is 704547705555.

555507745407 is a `hidden beast` number, since 5 + 5 + 550 + 7 + 7 + 45 + 40 + 7 = 666.

It is not a de Polignac number, because 555507745407 - 2³ = 555507745399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555507745447) 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, 10287180444 + ... + 10287180497.

It is an arithmetic number, because the mean of its divisors is an integer number (102871804710).

Almost surely, 2^555507745407 is an apocalyptic number.

555507745407 is a deficient number, since it is larger than the sum of its proper divisors (267466692273).

555507745407 is a wasteful number, since it uses less digits than its factorization.

555507745407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574360950 (or 20574360944 counting only the distinct ones).

The product of its (nonzero) digits is 17150000, while the sum is 54.

The spelling of 555507745407 in words is "five hundred fifty-five billion, five hundred seven million, seven hundred forty-five thousand, four hundred seven".