5506065921 has 8 divisors (see below), whose sum is σ = 7341768000. Its totient is φ = 3670537232.

The previous prime is 5506065907. The next prime is 5506065949. The reversal of 5506065921 is 1295606055.

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

It is a cyclic number.

It is not a de Polignac number, because 5506065921 - 2²⁵ = 5472511489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5506065921.

It is not an unprimeable number, because it can be changed into a prime (5506065991) 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, 85276 + ... + 135218.

It is an arithmetic number, because the mean of its divisors is an integer number (917721000).

Almost surely, 2^5506065921 is an apocalyptic number.

It is an amenable number.

5506065921 is a deficient number, since it is larger than the sum of its proper divisors (1835702079).

5506065921 is a wasteful number, since it uses less digits than its factorization.

5506065921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86695.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 5506065921 is about 74202.8700320951. The cubic root of 5506065921 is about 1765.8228630013.

The spelling of 5506065921 in words is "five billion, five hundred six million, sixty-five thousand, nine hundred twenty-one".