55505055964 has 24 divisors (see below), whose sum is σ = 102898999728. Its totient is φ = 26106973440.

The previous prime is 55505055961. The next prime is 55505055989. The reversal of 55505055964 is 46955050555.

It is a super-2 number, since 2×55505055964² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505055961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66199 + ... + 339694.

It is an arithmetic number, because the mean of its divisors is an integer number (4287458322).

Almost surely, 2^55505055964 is an apocalyptic number.

It is an amenable number.

55505055964 is a deficient number, since it is larger than the sum of its proper divisors (47393943764).

55505055964 is a wasteful number, since it uses less digits than its factorization.

55505055964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407925 (or 407923 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 55505055964 in words is "fifty-five billion, five hundred five million, fifty-five thousand, nine hundred sixty-four".