5555894400 has 864 divisors, whose sum is σ = 23992750080. Its totient is φ = 1219276800.

The previous prime is 5555894387. The next prime is 5555894413. The reversal of 5555894400 is 44985555.

5555894400 is a `hidden beast` number, since 5 + 5 + 558 + 94 + 4 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5555894387) and next prime (5555894413).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 107 ways as a sum of consecutive naturals, for example, 43747137 + ... + 43747263.

Almost surely, 2^5555894400 is an apocalyptic number.

5555894400 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 5555894400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11996375040).

5555894400 is an abundant number, since it is smaller than the sum of its proper divisors (18436855680).

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

5555894400 is a wasteful number, since it uses less digits than its factorization.

5555894400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 5555894400 is about 74537.8722529695. The cubic root of 5555894400 is about 1771.1336221676.

The spelling of 5555894400 in words is "five billion, five hundred fifty-five million, eight hundred ninety-four thousand, four hundred".