55474 has 4 divisors (see below), whose sum is σ = 83214. Its totient is φ = 27736.

The previous prime is 55469. The next prime is 55487. The reversal of 55474 is 47455.

55474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47455 = 5 ⋅9491.

It can be written as a sum of positive squares in only one way, i.e., 37249 + 18225 = 193^2 + 135^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13867 + ... + 13870.

2⁵⁵⁴⁷⁴ is an apocalyptic number.

55474 is a deficient number, since it is larger than the sum of its proper divisors (27740).

55474 is a wasteful number, since it uses less digits than its factorization.

55474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27739.

The product of its digits is 2800, while the sum is 25.

The square root of 55474 is about 235.5291913967. The cubic root of 55474 is about 38.1384607132.

It can be divided in two parts, 55 and 474, that added together give a square (529 = 23²).

The spelling of 55474 in words is "fifty-five thousand, four hundred seventy-four".