54974 has 4 divisors (see below), whose sum is σ = 82464. Its totient is φ = 27486.

The previous prime is 54973. The next prime is 54979. The reversal of 54974 is 47945.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54973) by changing a digit.

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 as a sum of consecutive naturals, namely, 13742 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (20616).

2⁵⁴⁹⁷⁴ is an apocalyptic number.

54974 is a deficient number, since it is larger than the sum of its proper divisors (27490).

54974 is a wasteful number, since it uses less digits than its factorization.

54974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27489.

The product of its digits is 5040, while the sum is 29.

The square root of 54974 is about 234.4653492523. The cubic root of 54974 is about 38.0235311319.

Subtracting from 54974 its sum of digits (29), we obtain a palindrome (54945).

The spelling of 54974 in words is "fifty-four thousand, nine hundred seventy-four".