54646881 has 8 divisors (see below), whose sum is σ = 72908640. Its totient is φ = 36408192.

The previous prime is 54646861. The next prime is 54646901. The reversal of 54646881 is 18864645.

It is an interprime number because it is at equal distance from previous prime (54646861) and next prime (54646901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54646881 - 2⁹ = 54646369 is a prime.

It is a super-2 number, since 2×54646881² = 5972563206056322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54646811) 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 7 ways as a sum of consecutive naturals, for example, 846 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (9113580).

Almost surely, 2^54646881 is an apocalyptic number.

It is an amenable number.

54646881 is a deficient number, since it is larger than the sum of its proper divisors (18261759).

54646881 is a wasteful number, since it uses less digits than its factorization.

54646881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535.

The product of its digits is 184320, while the sum is 42.

The square root of 54646881 is about 7392.3528730709. The cubic root of 54646881 is about 379.4796224310.

The spelling of 54646881 in words is "fifty-four million, six hundred forty-six thousand, eight hundred eighty-one".