55604217406 has 16 divisors (see below), whose sum is σ = 89186968080. Its totient is φ = 25907612800.

The previous prime is 55604217371. The next prime is 55604217407. The reversal of 55604217406 is 60471240655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604217407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8092696 + ... + 8099563.

It is an arithmetic number, because the mean of its divisors is an integer number (5574185505).

Almost surely, 2^55604217406 is an apocalyptic number.

55604217406 is a deficient number, since it is larger than the sum of its proper divisors (33582750674).

55604217406 is a wasteful number, since it uses less digits than its factorization.

55604217406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192379.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 55604217406 in words is "fifty-five billion, six hundred four million, two hundred seventeen thousand, four hundred six".