55574716400 has 120 divisors (see below), whose sum is σ = 153115345824. Its totient is φ = 18988876800.

The previous prime is 55574716381. The next prime is 55574716409. The reversal of 55574716400 is 461747555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55574716409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 786530 + ... + 854270.

Almost surely, 2^55574716400 is an apocalyptic number.

55574716400 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 55574716400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76557672912).

55574716400 is an abundant number, since it is smaller than the sum of its proper divisors (97540629424).

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

55574716400 is a wasteful number, since it uses less digits than its factorization.

55574716400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68059 (or 68048 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 55574716400 in words is "fifty-five billion, five hundred seventy-four million, seven hundred sixteen thousand, four hundred".