55564620136 has 64 divisors (see below), whose sum is σ = 108379656000. Its totient is φ = 26674583040.

The previous prime is 55564620119. The next prime is 55564620143. The reversal of 55564620136 is 63102646555.

It is a junction number, because it is equal to n+sod(n) for n = 55564620092 and 55564620101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49215220 + ... + 49216348.

It is an arithmetic number, because the mean of its divisors is an integer number (1693432125).

Almost surely, 2^55564620136 is an apocalyptic number.

It is an amenable number.

55564620136 is a deficient number, since it is larger than the sum of its proper divisors (52815035864).

55564620136 is a wasteful number, since it uses less digits than its factorization.

55564620136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 55564620136 in words is "fifty-five billion, five hundred sixty-four million, six hundred twenty thousand, one hundred thirty-six".