55794508509 has 8 divisors (see below), whose sum is σ = 74516875200. Its totient is φ = 37134240416.

The previous prime is 55794508507. The next prime is 55794508519. The reversal of 55794508509 is 90580549755.

It is a happy number.

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 55794508509 - 2¹ = 55794508507 is a prime.

It is a super-2 number, since 2×55794508509² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55794508507) 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, 15522552 + ... + 15526145.

It is an arithmetic number, because the mean of its divisors is an integer number (9314609400).

Almost surely, 2^55794508509 is an apocalyptic number.

It is an amenable number.

55794508509 is a deficient number, since it is larger than the sum of its proper divisors (18722366691).

55794508509 is a wasteful number, since it uses less digits than its factorization.

55794508509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31049299.

The product of its (nonzero) digits is 11340000, while the sum is 57.

The spelling of 55794508509 in words is "fifty-five billion, seven hundred ninety-four million, five hundred eight thousand, five hundred nine".