55885466642 has 8 divisors (see below), whose sum is σ = 85872790332. Its totient is φ = 27261203200.

The previous prime is 55885466639. The next prime is 55885466713. The reversal of 55885466642 is 24666458855.

It can be written as a sum of positive squares in 2 ways, for example, as 55879759321 + 5707321 = 236389^2 + 2389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340764959 + ... + 340765122.

Almost surely, 2^55885466642 is an apocalyptic number.

55885466642 is a deficient number, since it is larger than the sum of its proper divisors (29987323690).

55885466642 is a wasteful number, since it uses less digits than its factorization.

55885466642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681530124.

The product of its digits is 55296000, while the sum is 59.

The spelling of 55885466642 in words is "fifty-five billion, eight hundred eighty-five million, four hundred sixty-six thousand, six hundred forty-two".