555507745409 has 8 divisors (see below), whose sum is σ = 559727144448. Its totient is φ = 551304299520.

The previous prime is 555507745399. The next prime is 555507745447. The reversal of 555507745409 is 904547705555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555507745409 - 2³² = 551212778113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555507745609) 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, 3918377 + ... + 4057670.

It is an arithmetic number, because the mean of its divisors is an integer number (69965893056).

Almost surely, 2^555507745409 is an apocalyptic number.

It is an amenable number.

555507745409 is a deficient number, since it is larger than the sum of its proper divisors (4219399039).

555507745409 is a wasteful number, since it uses less digits than its factorization.

555507745409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976575.

The product of its (nonzero) digits is 22050000, while the sum is 56.

The spelling of 555507745409 in words is "five hundred fifty-five billion, five hundred seven million, seven hundred forty-five thousand, four hundred nine".