55574604800 has 1056 divisors, whose sum is σ = 184218209280. Its totient is φ = 16279142400.

The previous prime is 55574604793. The next prime is 55574604803. The reversal of 55574604800 is 840647555.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (55574604803) 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 95 ways as a sum of consecutive naturals, for example, 1182438377 + ... + 1182438423.

Almost surely, 2^55574604800 is an apocalyptic number.

55574604800 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 55574604800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92109104640).

55574604800 is an abundant number, since it is smaller than the sum of its proper divisors (128643604480).

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

55574604800 is a wasteful number, since it uses less digits than its factorization.

55574604800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 55574604800 in words is "fifty-five billion, five hundred seventy-four million, six hundred four thousand, eight hundred".