55510556056 has 32 divisors (see below), whose sum is σ = 104310374400. Its totient is φ = 27694523680.

The previous prime is 55510556053. The next prime is 55510556081. The reversal of 55510556056 is 65065501555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510556053) 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, 9033321 + ... + 9039463.

It is an arithmetic number, because the mean of its divisors is an integer number (3259699200).

Almost surely, 2^55510556056 is an apocalyptic number.

It is an amenable number.

55510556056 is a deficient number, since it is larger than the sum of its proper divisors (48799818344).

55510556056 is a wasteful number, since it uses less digits than its factorization.

55510556056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439 (or 8435 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55510556056 in words is "fifty-five billion, five hundred ten million, five hundred fifty-six thousand, fifty-six".