45554 has 4 divisors (see below), whose sum is σ = 68334. Its totient is φ = 22776.

The previous prime is 45553. The next prime is 45557.

45554 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 29929 + 15625 = 173^2 + 125^2 .

It is not an unprimeable number, because it can be changed into a prime (45553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11387 + ... + 11390.

2⁴⁵⁵⁵⁴ is an apocalyptic number.

45554 is a deficient number, since it is larger than the sum of its proper divisors (22780).

45554 is a wasteful number, since it uses less digits than its factorization.

45554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779.

The product of its digits is 2000, while the sum is 23.

The square root of 45554 is about 213.4338304955. The cubic root of 45554 is about 35.7143024762.

The spelling of 45554 in words is "forty-five thousand, five hundred fifty-four".