55933904604408 has 128 divisors (see below), whose sum is σ = 145494835200000. Its totient is φ = 17899560524160.

The previous prime is 55933904604367. The next prime is 55933904604433. The reversal of 55933904604408 is 80440640933955.

55933904604408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1621302343 + ... + 1621336841.

It is an arithmetic number, because the mean of its divisors is an integer number (1136678400000).

Almost surely, 2^{55933904604408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55933904604408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72747417600000).

55933904604408 is an abundant number, since it is smaller than the sum of its proper divisors (89560930595592).

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

55933904604408 is a wasteful number, since it uses less digits than its factorization.

55933904604408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51825 (or 51821 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 60.

The spelling of 55933904604408 in words is "fifty-five trillion, nine hundred thirty-three billion, nine hundred four million, six hundred four thousand, four hundred eight".