55718793 has 24 divisors (see below), whose sum is σ = 89391840. Its totient is φ = 34285680.

The previous prime is 55718791. The next prime is 55718797. The reversal of 55718793 is 39781755.

55718793 is a `hidden beast` number, since 5 + 571 + 8 + 79 + 3 = 666.

It is not a de Polignac number, because 55718793 - 2¹ = 55718791 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55718791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1543 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (3724660).

Almost surely, 2^55718793 is an apocalyptic number.

It is an amenable number.

55718793 is a deficient number, since it is larger than the sum of its proper divisors (33673047).

55718793 is a wasteful number, since it uses less digits than its factorization.

55718793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246 (or 12227 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 55718793 is about 7464.5021937166. The cubic root of 55718793 is about 381.9447692049.

The spelling of 55718793 in words is "fifty-five million, seven hundred eighteen thousand, seven hundred ninety-three".