55944000 has 448 divisors, whose sum is σ = 240913920. Its totient is φ = 12441600.

The previous prime is 55943983. The next prime is 55944011. The reversal of 55944000 is 44955.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×55944000² = 6259462272000000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 1511982 + ... + 1512018.

Almost surely, 2^55944000 is an apocalyptic number.

55944000 is a gapful number since it is divisible by the number (50) 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 55944000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120456960).

55944000 is an abundant number, since it is smaller than the sum of its proper divisors (184969920).

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

55944000 is a wasteful number, since it uses less digits than its factorization.

55944000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55944000 is about 7479.5721802788. The cubic root of 55944000 is about 382.4586652757.

Adding to 55944000 its reverse (44955), we get a palindrome (55988955).

The spelling of 55944000 in words is "fifty-five million, nine hundred forty-four thousand".