55522987808 has 12 divisors (see below), whose sum is σ = 109310882310. Its totient is φ = 27761493888.

The previous prime is 55522987783. The next prime is 55522987829. The reversal of 55522987808 is 80878922555.

It can be written as a sum of positive squares in only one way, i.e., 54387836944 + 1135150864 = 233212^2 + 33692^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867546653 + ... + 867546716.

Almost surely, 2^55522987808 is an apocalyptic number.

It is an amenable number.

55522987808 is a deficient number, since it is larger than the sum of its proper divisors (53787894502).

55522987808 is a wasteful number, since it uses less digits than its factorization.

55522987808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735093379 (or 1735093371 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 59.

The spelling of 55522987808 in words is "fifty-five billion, five hundred twenty-two million, nine hundred eighty-seven thousand, eight hundred eight".