55355537535747 has 4 divisors (see below), whose sum is σ = 73807383381000. Its totient is φ = 36903691690496.

The previous prime is 55355537535731. The next prime is 55355537535751. The reversal of 55355537535747 is 74753573555355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55355537535747 - 2⁴ = 55355537535731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55355537535787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9225922922622 + ... + 9225922922627.

It is an arithmetic number, because the mean of its divisors is an integer number (18451845845250).

Almost surely, 2^{55355537535747} is an apocalyptic number.

55355537535747 is a deficient number, since it is larger than the sum of its proper divisors (18451845845253).

55355537535747 is a wasteful number, since it uses less digits than its factorization.

55355537535747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451845845252.

The product of its digits is 2894062500, while the sum is 69.

The spelling of 55355537535747 in words is "fifty-five trillion, three hundred fifty-five billion, five hundred thirty-seven million, five hundred thirty-five thousand, seven hundred forty-seven".