55640100203424 has 144 divisors (see below), whose sum is σ = 181695542726880. Its totient is φ = 15973234490880.

The previous prime is 55640100203393. The next prime is 55640100203473. The reversal of 55640100203424 is 42430200104655.

55640100203424 is a `hidden beast` number, since 5 + 5 + 6 + 401 + 0 + 0 + 203 + 42 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×55640100203424³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462128307 + ... + 462248690.

It is an arithmetic number, because the mean of its divisors is an integer number (1261774602270).

Almost surely, 2^{55640100203424} is an apocalyptic number.

It is an amenable number.

55640100203424 is an abundant number, since it is smaller than the sum of its proper divisors (126055442523456).

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

55640100203424 is a wasteful number, since it uses less digits than its factorization.

55640100203424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924377043 (or 924377032 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 55640100203424 in words is "fifty-five trillion, six hundred forty billion, one hundred million, two hundred three thousand, four hundred twenty-four".