5506578690 has 32 divisors (see below), whose sum is σ = 13217769216. Its totient is φ = 1468200960.

The previous prime is 5506578631. The next prime is 5506578691. The reversal of 5506578690 is 968756055.

It is a super-2 number, since 2×5506578690² = 60644817738324232200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5506578691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333735 + ... + 349845.

It is an arithmetic number, because the mean of its divisors is an integer number (413055288).

Almost surely, 2^5506578690 is an apocalyptic number.

5506578690 is an abundant number, since it is smaller than the sum of its proper divisors (7711190526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5506578690 is a wasteful number, since it uses less digits than its factorization.

5506578690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27514.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The square root of 5506578690 is about 74206.3251347215. The cubic root of 5506578690 is about 1765.8776771602.

The spelling of 5506578690 in words is "five billion, five hundred six million, five hundred seventy-eight thousand, six hundred ninety".