54666680 has 16 divisors (see below), whose sum is σ = 123000120. Its totient is φ = 21866656.

The previous prime is 54666659. The next prime is 54666701. The reversal of 54666680 is 8666645.

It is an interprime number because it is at equal distance from previous prime (54666659) and next prime (54666701).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683294 + ... + 683373.

Almost surely, 2^54666680 is an apocalyptic number.

It is an amenable number.

54666680 is an abundant number, since it is smaller than the sum of its proper divisors (68333440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54666680 is a wasteful number, since it uses less digits than its factorization.

54666680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366678 (or 1366674 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 54666680 is about 7393.6919059425. The cubic root of 54666680 is about 379.5254463933.

The spelling of 54666680 in words is "fifty-four million, six hundred sixty-six thousand, six hundred eighty".