55605622 has 8 divisors (see below), whose sum is σ = 85348296. Its totient is φ = 27156192.

The previous prime is 55605611. The next prime is 55605631. The reversal of 55605622 is 22650655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323203 + ... + 323374.

It is an arithmetic number, because the mean of its divisors is an integer number (10668537).

Almost surely, 2^55605622 is an apocalyptic number.

55605622 is a deficient number, since it is larger than the sum of its proper divisors (29742674).

55605622 is a wasteful number, since it uses less digits than its factorization.

55605622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646622.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 55605622 is about 7456.9177278551. The cubic root of 55605622 is about 381.6860033130.

The spelling of 55605622 in words is "fifty-five million, six hundred five thousand, six hundred twenty-two".