54689817 has 16 divisors (see below), whose sum is σ = 89747840. Its totient is φ = 28847232.

The previous prime is 54689801. The next prime is 54689821. The reversal of 54689817 is 71898645.

It is not a de Polignac number, because 54689817 - 2⁴ = 54689801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54689827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99892 + ... + 100437.

It is an arithmetic number, because the mean of its divisors is an integer number (5609240).

Almost surely, 2^54689817 is an apocalyptic number.

It is an amenable number.

54689817 is a deficient number, since it is larger than the sum of its proper divisors (35058023).

54689817 is a wasteful number, since it uses less digits than its factorization.

54689817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200352.

The product of its digits is 483840, while the sum is 48.

The square root of 54689817 is about 7395.2563850079. The cubic root of 54689817 is about 379.5789820005.

The spelling of 54689817 in words is "fifty-four million, six hundred eighty-nine thousand, eight hundred seventeen".