5545554636400 has 30 divisors (see below), whose sum is σ = 13323195014912. Its totient is φ = 2218221854400.

The previous prime is 5545554636389. The next prime is 5545554636421. The reversal of 5545554636400 is 46364555455.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6931942896 + ... + 6931943695.

Almost surely, 2^{5545554636400} is an apocalyptic number.

5545554636400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5545554636400 is an abundant number, since it is smaller than the sum of its proper divisors (7777640378512).

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

5545554636400 is a wasteful number, since it uses less digits than its factorization.

5545554636400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863886609 (or 13863886598 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 52.

The spelling of 5545554636400 in words is "five trillion, five hundred forty-five billion, five hundred fifty-four million, six hundred thirty-six thousand, four hundred".