55623176 has 48 divisors (see below), whose sum is σ = 123728640. Its totient is φ = 22940640.

The previous prime is 55623163. The next prime is 55623221. The reversal of 55623176 is 67132655.

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 11 ways as a sum of consecutive naturals, for example, 310655 + ... + 310833.

It is an arithmetic number, because the mean of its divisors is an integer number (2577680).

Almost surely, 2^55623176 is an apocalyptic number.

55623176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55623176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61864320).

55623176 is an abundant number, since it is smaller than the sum of its proper divisors (68105464).

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

55623176 is a wasteful number, since it uses less digits than its factorization.

55623176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 219 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 55623176 is about 7458.0946628479. The cubic root of 55623176 is about 381.7261635878.

It can be divided in two parts, 556 and 23176, that added together give a palindrome (23732).

The spelling of 55623176 in words is "fifty-five million, six hundred twenty-three thousand, one hundred seventy-six".