5506578677 has 4 divisors (see below), whose sum is σ = 5640885516. Its totient is φ = 5372271840.

The previous prime is 5506578631. The next prime is 5506578691. The reversal of 5506578677 is 7768756055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 551263441 + 4955315236 = 23479^2 + 70394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5506578677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506578607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67153358 + ... + 67153439.

It is an arithmetic number, because the mean of its divisors is an integer number (1410221379).

Almost surely, 2^5506578677 is an apocalyptic number.

It is an amenable number.

5506578677 is a deficient number, since it is larger than the sum of its proper divisors (134306839).

5506578677 is a wasteful number, since it uses less digits than its factorization.

5506578677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134306838.

The product of its (nonzero) digits is 12348000, while the sum is 56.

The square root of 5506578677 is about 74206.3250471279. The cubic root of 5506578677 is about 1765.8776757706.

The spelling of 5506578677 in words is "five billion, five hundred six million, five hundred seventy-eight thousand, six hundred seventy-seven".