55655620551994 has 16 divisors (see below), whose sum is σ = 84525799962600. Its totient is φ = 27481126883584.

The previous prime is 55655620551959. The next prime is 55655620552027. The reversal of 55655620551994 is 49915502655655.

It can be written as a sum of positive squares in 4 ways, for example, as 50011133141025 + 5644487410969 = 7071855^2 + 2375813^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193101997 + ... + 193390000.

Almost surely, 2^{55655620551994} is an apocalyptic number.

55655620551994 is a deficient number, since it is larger than the sum of its proper divisors (28870179410606).

55655620551994 is a wasteful number, since it uses less digits than its factorization.

55655620551994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386492897.

The product of its (nonzero) digits is 364500000, while the sum is 67.

The spelling of 55655620551994 in words is "fifty-five trillion, six hundred fifty-five billion, six hundred twenty million, five hundred fifty-one thousand, nine hundred ninety-four".