55023622 has 8 divisors (see below), whose sum is σ = 82596816. Its totient is φ = 27491352.

The previous prime is 55023589. The next prime is 55023629. The reversal of 55023622 is 22632055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023629) by changing a digit.

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, 6613 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (10324602).

Almost surely, 2^55023622 is an apocalyptic number.

55023622 is a deficient number, since it is larger than the sum of its proper divisors (27573194).

55023622 is a wasteful number, since it uses less digits than its factorization.

55023622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55023622 is about 7417.7909110462. The cubic root of 55023622 is about 380.3496827339.

Adding to 55023622 its reverse (22632055), we get a palindrome (77655677).

The spelling of 55023622 in words is "fifty-five million, twenty-three thousand, six hundred twenty-two".