54329681 has 12 divisors (see below), whose sum is σ = 63346608. Its totient is φ = 46460232.

The previous prime is 54329677. The next prime is 54329687. The reversal of 54329681 is 18692345.

It is a happy number.

It is not a de Polignac number, because 54329681 - 2² = 54329677 is a prime.

It is a super-2 number, since 2×54329681² = 5903428475123522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54329687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25790 + ... + 27816.

It is an arithmetic number, because the mean of its divisors is an integer number (5278884).

Almost surely, 2^54329681 is an apocalyptic number.

It is an amenable number.

54329681 is a deficient number, since it is larger than the sum of its proper divisors (9016927).

54329681 is a wasteful number, since it uses less digits than its factorization.

54329681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2581 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 54329681 is about 7370.8670453346. The cubic root of 54329681 is about 378.7439623330.

The spelling of 54329681 in words is "fifty-four million, three hundred twenty-nine thousand, six hundred eighty-one".