54563687 has 8 divisors (see below), whose sum is σ = 57974400. Its totient is φ = 51206904.

The previous prime is 54563671. The next prime is 54563701. The reversal of 54563687 is 78636545.

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 54563687 - 2⁴ = 54563671 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 (54563647) 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, 11387 + ... + 15452.

It is an arithmetic number, because the mean of its divisors is an integer number (7246800).

Almost surely, 2^54563687 is an apocalyptic number.

54563687 is a deficient number, since it is larger than the sum of its proper divisors (3410713).

54563687 is a wasteful number, since it uses less digits than its factorization.

54563687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965.

The product of its digits is 604800, while the sum is 44.

The square root of 54563687 is about 7386.7236986366. The cubic root of 54563687 is about 379.2869523185.

The spelling of 54563687 in words is "fifty-four million, five hundred sixty-three thousand, six hundred eighty-seven".