55989622 has 16 divisors (see below), whose sum is σ = 91797552. Its totient is φ = 25454880.

The previous prime is 55989611. The next prime is 55989623. The reversal of 55989622 is 22698955.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55989623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14329 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (5737347).

Almost surely, 2^55989622 is an apocalyptic number.

55989622 is a deficient number, since it is larger than the sum of its proper divisors (35807930).

55989622 is a wasteful number, since it uses less digits than its factorization.

55989622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32223.

The product of its digits is 388800, while the sum is 46.

The square root of 55989622 is about 7482.6213321269. The cubic root of 55989622 is about 382.5626012851.

The spelling of 55989622 in words is "fifty-five million, nine hundred eighty-nine thousand, six hundred twenty-two".