55675605840 has 80 divisors (see below), whose sum is σ = 173231460096. Its totient is φ = 14792025600.

The previous prime is 55675605823. The next prime is 55675605841. The reversal of 55675605840 is 4850657655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55675605841) 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 15 ways as a sum of consecutive naturals, for example, 362971 + ... + 493050.

Almost surely, 2^55675605840 is an apocalyptic number.

It is an amenable number.

55675605840 is an abundant number, since it is smaller than the sum of its proper divisors (117555854256).

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

55675605840 is a wasteful number, since it uses less digits than its factorization.

55675605840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856308 (or 856302 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 55675605840 in words is "fifty-five billion, six hundred seventy-five million, six hundred five thousand, eight hundred forty".