5578706545 has 4 divisors (see below), whose sum is σ = 6694447860. Its totient is φ = 4462965232.

The previous prime is 5578706509. The next prime is 5578706579. The reversal of 5578706545 is 5456078755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5456078755 = 5 ⋅1091215751.

It can be written as a sum of positive squares in 2 ways, for example, as 2916972081 + 2661734464 = 54009^2 + 51592^2 .

It is a cyclic number.

It is not a de Polignac number, because 5578706545 - 2²¹ = 5576609393 is a prime.

It is a super-2 number, since 2×5578706545² = 62243933430451674050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5578706492 and 5578706501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557870650 + ... + 557870659.

It is an arithmetic number, because the mean of its divisors is an integer number (1673611965).

Almost surely, 2^5578706545 is an apocalyptic number.

It is an amenable number.

5578706545 is a deficient number, since it is larger than the sum of its proper divisors (1115741315).

5578706545 is a wasteful number, since it uses less digits than its factorization.

5578706545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115741314.

The product of its (nonzero) digits is 5880000, while the sum is 52.

The square root of 5578706545 is about 74690.7393523454. The cubic root of 5578706545 is about 1773.5543656177.

The spelling of 5578706545 in words is "five billion, five hundred seventy-eight million, seven hundred six thousand, five hundred forty-five".