54717865 has 8 divisors (see below), whose sum is σ = 65842560. Its totient is φ = 43653552.

The previous prime is 54717863. The next prime is 54717869. The reversal of 54717865 is 56871745.

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 54717865 - 2¹ = 54717863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54717863) 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, 13075 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (8230320).

Almost surely, 2^54717865 is an apocalyptic number.

It is an amenable number.

54717865 is a deficient number, since it is larger than the sum of its proper divisors (11124695).

54717865 is a wasteful number, since it uses less digits than its factorization.

54717865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30191.

The product of its digits is 235200, while the sum is 43.

The square root of 54717865 is about 7397.1524926826. The cubic root of 54717865 is about 379.6438606949.

The spelling of 54717865 in words is "fifty-four million, seven hundred seventeen thousand, eight hundred sixty-five".