55622336 has 56 divisors (see below), whose sum is σ = 137623296. Its totient is φ = 21669120.

The previous prime is 55622327. The next prime is 55622341. The reversal of 55622336 is 63322655.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 7 ways as a sum of consecutive naturals, for example, 716 + ... + 10571.

Almost surely, 2^55622336 is an apocalyptic number.

55622336 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 55622336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68811648).

55622336 is an abundant number, since it is smaller than the sum of its proper divisors (82000960).

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

55622336 is a wasteful number, since it uses less digits than its factorization.

55622336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317 (or 11307 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 55622336 is about 7458.0383479840. The cubic root of 55622336 is about 381.7242420171.

The spelling of 55622336 in words is "fifty-five million, six hundred twenty-two thousand, three hundred thirty-six".