55656370065653 has 32 divisors (see below), whose sum is σ = 68468193255168. Its totient is φ = 44153378380800.

The previous prime is 55656370065649. The next prime is 55656370065671. The reversal of 55656370065653 is 35656007365655.

It is a cyclic number.

It is not a de Polignac number, because 55656370065653 - 2² = 55656370065649 is a prime.

It is a super-3 number, since 3×55656370065653³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55656370065613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31865723 + ... + 33566903.

It is an arithmetic number, because the mean of its divisors is an integer number (2139631039224).

Almost surely, 2^{55656370065653} is an apocalyptic number.

It is an amenable number.

55656370065653 is a deficient number, since it is larger than the sum of its proper divisors (12811823189515).

55656370065653 is a wasteful number, since it uses less digits than its factorization.

55656370065653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705773.

The product of its (nonzero) digits is 255150000, while the sum is 62.

The spelling of 55656370065653 in words is "fifty-five trillion, six hundred fifty-six billion, three hundred seventy million, sixty-five thousand, six hundred fifty-three".