55634 has 4 divisors (see below), whose sum is σ = 83454. Its totient is φ = 27816.

The previous prime is 55633. The next prime is 55639. The reversal of 55634 is 43655.

55634 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: 43655 = 5 ⋅8731.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 9409 = 215^2 + 97^2 .

It is a Curzon number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55634.

It is not an unprimeable number, because it can be changed into a prime (55631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13907 + ... + 13910.

2⁵⁵⁶³⁴ is an apocalyptic number.

55634 is a deficient number, since it is larger than the sum of its proper divisors (27820).

55634 is a wasteful number, since it uses less digits than its factorization.

55634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27819.

The product of its digits is 1800, while the sum is 23.

The square root of 55634 is about 235.8686074915. The cubic root of 55634 is about 38.1750922668.

Subtracting from 55634 its sum of digits (23), we obtain a triangular number (55611 = T₃₃₃).

The spelling of 55634 in words is "fifty-five thousand, six hundred thirty-four".