55548042864 has 40 divisors (see below), whose sum is σ = 143530737552. Its totient is φ = 18511933440.

The previous prime is 55548042863. The next prime is 55548042899. The reversal of 55548042864 is 46824084555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55548042863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96592 + ... + 347024.

Almost surely, 2^55548042864 is an apocalyptic number.

It is an amenable number.

55548042864 is an abundant number, since it is smaller than the sum of its proper divisors (87982694688).

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

55548042864 is a wasteful number, since it uses less digits than its factorization.

55548042864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255065 (or 255059 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 51.

The spelling of 55548042864 in words is "fifty-five billion, five hundred forty-eight million, forty-two thousand, eight hundred sixty-four".