5155566545 has 8 divisors (see below), whose sum is σ = 6219072000. Its totient is φ = 4102858480.

The previous prime is 5155566517. The next prime is 5155566547. The reversal of 5155566545 is 5456655515.

It is a happy number.

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

It is not a de Polignac number, because 5155566545 - 2⁸ = 5155566289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155566545.

It is not an unprimeable number, because it can be changed into a prime (5155566547) 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, 2698295 + ... + 2700204.

It is an arithmetic number, because the mean of its divisors is an integer number (777384000).

Almost surely, 2^5155566545 is an apocalyptic number.

It is an amenable number.

5155566545 is a deficient number, since it is larger than the sum of its proper divisors (1063505455).

5155566545 is a wasteful number, since it uses less digits than its factorization.

5155566545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398695.

The product of its digits is 2250000, while the sum is 47.

The square root of 5155566545 is about 71802.2739542419. The cubic root of 5155566545 is about 1727.5294734099.

The spelling of 5155566545 in words is "five billion, one hundred fifty-five million, five hundred sixty-six thousand, five hundred forty-five".