54668549 has 8 divisors (see below), whose sum is σ = 62337240. Its totient is φ = 47494656.

The previous prime is 54668543. The next prime is 54668587. The reversal of 54668549 is 94586645.

It can be written as a sum of positive squares in 4 ways, for example, as 12100 + 54656449 = 110^2 + 7393^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54668549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54668543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123464 + ... + 123905.

It is an arithmetic number, because the mean of its divisors is an integer number (7792155).

Almost surely, 2^54668549 is an apocalyptic number.

It is an amenable number.

54668549 is a deficient number, since it is larger than the sum of its proper divisors (7668691).

54668549 is a wasteful number, since it uses less digits than its factorization.

54668549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247399.

The product of its digits is 1036800, while the sum is 47.

The square root of 54668549 is about 7393.8182963879. The cubic root of 54668549 is about 379.5297715446.

The spelling of 54668549 in words is "fifty-four million, six hundred sixty-eight thousand, five hundred forty-nine".