54638 has 8 divisors (see below), whose sum is σ = 86832. Its totient is φ = 25696.

The previous prime is 54631. The next prime is 54647. The reversal of 54638 is 83645.

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

It is a super-2 number, since 2×54638² = 5970622088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54631) by changing a digit.

54638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (10854).

2⁵⁴⁶³⁸ is an apocalyptic number.

54638 is a deficient number, since it is larger than the sum of its proper divisors (32194).

54638 is a wasteful number, since it uses less digits than its factorization.

54638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 2880, while the sum is 26.

The square root of 54638 is about 233.7477272617. The cubic root of 54638 is about 37.9459064130.

The spelling of 54638 in words is "fifty-four thousand, six hundred thirty-eight".