554565654545656 has 64 divisors (see below), whose sum is σ = 1135748136600000. Its totient is φ = 252330783952896.

The previous prime is 554565654545611. The next prime is 554565654545671. The reversal of 554565654545656 is 656545456565455.

It is a happy number.

It is a congruent number.

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, 120660601 + ... + 125172328.

It is an arithmetic number, because the mean of its divisors is an integer number (17746064634375).

Almost surely, 2^{554565654545656} is an apocalyptic number.

It is an amenable number.

554565654545656 is an abundant number, since it is smaller than the sum of its proper divisors (581182482054344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554565654545656 is a wasteful number, since it uses less digits than its factorization.

554565654545656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245833256 (or 245833252 counting only the distinct ones).

The product of its digits is 32400000000, while the sum is 76.

The spelling of 554565654545656 in words is "five hundred fifty-four trillion, five hundred sixty-five billion, six hundred fifty-four million, five hundred forty-five thousand, six hundred fifty-six".