54688387 has 8 divisors (see below), whose sum is σ = 59111696. Its totient is φ = 50296032.

The previous prime is 54688367. The next prime is 54688393. The reversal of 54688387 is 78388645.

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

It is a cyclic number.

It is not a de Polignac number, because 54688387 - 2¹¹ = 54686339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54688387.

It is not an unprimeable number, because it can be changed into a prime (54688367) 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, 3993 + ... + 11194.

It is an arithmetic number, because the mean of its divisors is an integer number (7388962).

Almost surely, 2^54688387 is an apocalyptic number.

54688387 is a deficient number, since it is larger than the sum of its proper divisors (4423309).

54688387 is a wasteful number, since it uses less digits than its factorization.

54688387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477.

The product of its digits is 1290240, while the sum is 49.

The square root of 54688387 is about 7395.1597007773. The cubic root of 54688387 is about 379.5756736291.

The spelling of 54688387 in words is "fifty-four million, six hundred eighty-eight thousand, three hundred eighty-seven".