55694223 has 40 divisors (see below), whose sum is σ = 90378288. Its totient is φ = 33975936.

The previous prime is 55694209. The next prime is 55694231. The reversal of 55694223 is 32249655.

It is not a de Polignac number, because 55694223 - 2⁴ = 55694207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55694923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 238915 + ... + 239147.

Almost surely, 2^55694223 is an apocalyptic number.

55694223 is a deficient number, since it is larger than the sum of its proper divisors (34684065).

55694223 is a wasteful number, since it uses less digits than its factorization.

55694223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 476 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55694223 is about 7462.8562226536. The cubic root of 55694223 is about 381.8886196115. Note that the first 3 decimals are identical.

The spelling of 55694223 in words is "fifty-five million, six hundred ninety-four thousand, two hundred twenty-three".