55667736543 has 16 divisors (see below), whose sum is σ = 75151440000. Its totient is φ = 36648328224.

The previous prime is 55667736539. The next prime is 55667736559. The reversal of 55667736543 is 34563776655.

It is not a de Polignac number, because 55667736543 - 2² = 55667736539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55667736583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522208 + ... + 619706.

It is an arithmetic number, because the mean of its divisors is an integer number (4696965000).

Almost surely, 2^55667736543 is an apocalyptic number.

55667736543 is a deficient number, since it is larger than the sum of its proper divisors (19483703457).

55667736543 is a wasteful number, since it uses less digits than its factorization.

55667736543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99878.

The product of its digits is 47628000, while the sum is 57.

The spelling of 55667736543 in words is "fifty-five billion, six hundred sixty-seven million, seven hundred thirty-six thousand, five hundred forty-three".