555555555545 has 8 divisors (see below), whose sum is σ = 667822071624. Its totient is φ = 443674174464.

The previous prime is 555555555413. The next prime is 555555555551. The reversal of 555555555545 is 545555555555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 276335256976 + 279220298569 = 525676^2 + 528413^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555555555545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96280574 + ... + 96286343.

It is an arithmetic number, because the mean of its divisors is an integer number (83477758953).

Almost surely, 2^555555555545 is an apocalyptic number.

It is an amenable number.

555555555545 is a deficient number, since it is larger than the sum of its proper divisors (112266516079).

555555555545 is a wasteful number, since it uses less digits than its factorization.

555555555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192567499.

The product of its digits is 195312500, while the sum is 59.

The spelling of 555555555545 in words is "five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-five".