55656370066026 has 96 divisors (see below), whose sum is σ = 121733419484160. Its totient is φ = 16949653183008.

The previous prime is 55656370065929. The next prime is 55656370066057. The reversal of 55656370066026 is 62066007365655.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3575821 + ... + 11139983.

It is an arithmetic number, because the mean of its divisors is an integer number (1268056452960).

Almost surely, 2^{55656370066026} is an apocalyptic number.

55656370066026 is an abundant number, since it is smaller than the sum of its proper divisors (66077049418134).

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

55656370066026 is a wasteful number, since it uses less digits than its factorization.

55656370066026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564328 (or 7564309 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 57.

The spelling of 55656370066026 in words is "fifty-five trillion, six hundred fifty-six billion, three hundred seventy million, sixty-six thousand, twenty-six".