54681716 has 12 divisors (see below), whose sum is σ = 95858532. Its totient is φ = 27293568.

The previous prime is 54681709. The next prime is 54681719. The reversal of 54681716 is 61718645.

It can be written as a sum of positive squares in 2 ways, for example, as 37871716 + 16810000 = 6154^2 + 4100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54681716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54681719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9155 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (7988211).

Almost surely, 2^54681716 is an apocalyptic number.

It is an amenable number.

54681716 is a deficient number, since it is larger than the sum of its proper divisors (41176816).

54681716 is a wasteful number, since it uses less digits than its factorization.

54681716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23650 (or 23648 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 54681716 is about 7394.7086487569. The cubic root of 54681716 is about 379.5602391989.

The spelling of 54681716 in words is "fifty-four million, six hundred eighty-one thousand, seven hundred sixteen".