54723865 has 8 divisors (see below), whose sum is σ = 75049920. Its totient is φ = 37524912.

The previous prime is 54723863. The next prime is 54723869. The reversal of 54723865 is 56832745.

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 54723865 - 2¹ = 54723863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54723863) 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, 781735 + ... + 781804.

It is an arithmetic number, because the mean of its divisors is an integer number (9381240).

Almost surely, 2^54723865 is an apocalyptic number.

It is an amenable number.

54723865 is a deficient number, since it is larger than the sum of its proper divisors (20326055).

54723865 is a wasteful number, since it uses less digits than its factorization.

54723865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563551.

The product of its digits is 201600, while the sum is 40.

The square root of 54723865 is about 7397.5580430301. The cubic root of 54723865 is about 379.6577366013.

The spelling of 54723865 in words is "fifty-four million, seven hundred twenty-three thousand, eight hundred sixty-five".