55366224 has 20 divisors (see below), whose sum is σ = 143029536. Its totient is φ = 18455392.

The previous prime is 55366183. The next prime is 55366231. The reversal of 55366224 is 42266355.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 576684 + ... + 576779.

Almost surely, 2^55366224 is an apocalyptic number.

It is an amenable number.

55366224 is an abundant number, since it is smaller than the sum of its proper divisors (87663312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55366224 is a wasteful number, since it uses less digits than its factorization.

55366224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153474 (or 1153468 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 55366224 is about 7440.8483387313. The cubic root of 55366224 is about 381.1374597865.

The spelling of 55366224 in words is "fifty-five million, three hundred sixty-six thousand, two hundred twenty-four".